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The Burn Line

There's something lurking in the stifling darkness and labyrinthine tunnels that run below London... something old, something vicious, and something very, very hungry.

It's the hottest summer on record and London is dying. Prices are high, pay is low, and stressed commuters are packed onto London Underground trains again like the pandemic never happened. To add to the misery, the temperatures underground just keep climbing and climbing, the heat trapped in the clay with nowhere to go.

Then one fateful morning five travellers on an unlucky tube carriage find themselves bound together as witnesses to a single horrific event - an event they can't quite seem to remember.

They make an unlikely team - a weary tube driver, a disillusioned civil servant, an ambitious city trader, an overwhelmed hotel worker, and an unhoused young man just trying to get by - but now they must come together to confront what they have seen and stop it in its tracks before it kills them all.

From the dark and twisted mind behind Thirteen Storeys, Family Business, and podcast sensation The Magnus Archives, The Burn Line is a sinister and socially conscious horror masterclass perfect for fans of Stephen King, Jordan Peele, and Black Mirror.

360 pages, Kindle Edition

First published August 25, 2026

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About the author

Jonathan Sims

15 books1,450 followers
Jonathan Sims is a writer, performer and games designer whose work primarily focuses on the macabre, the grotesque, and the gentle touch of creeping dread. He is the mind and the voice behind acclaimed horror podcast The Magnus Archives, as well as story-game design duo MacGuffin & Co., and some of your favourite nightmares. He lives in Walthamstow with the two best cats and an overwhelming backlog of books that he really should get round to.

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5 stars
219 (21%)
4 stars
482 (46%)
3 stars
245 (23%)
2 stars
70 (6%)
1 star
11 (1%)
Displaying 1 - 30 of 645 reviews
Profile Image for Sidney.
225 reviews182 followers
Review of advance copy received from NetGalley
May 11, 2026
i'm really struggling to rate & review this one... it's not bad at all, it just didn't blow me away either. i liked it enough to pick up something else from this author in the future though.

as a southern girl who often feels like her skin is melting off when she steps outside during the summer, i loved the setting of a stifling, claustrophobic underground London. the psychological horror elements are done really well & i think the author did a good job of adding his own fresh twist to the creatures here that most of us are familiar with. they're genuinely a little creepy. anytime i'm given a diverse cast that's always a plus too! (Tash was my favorite.)

where i get conflicted on the rating is the pacing & writing. parts one & five were the strongest sections of the book for me. the beginning has great tension, & the way the creatures are described immediately made me picture something similar to , which i LOVED. but the further i got into part two, the pacing started to drag for me & i had that issue until about halfway through part four. the writing was good overall, but it fell a little flat in certain areas.

the covid references were just really random to me, not because it makes the book feel dated or anything like that, i think with the news of the hantavirus it definitely feels more relevant BUT i just don't think it added anything to the plot? it never really tied into anything significant. it felt more like the author was mentioning covid just to mention it. i honestly kept forgetting the story was supposed to be set during covid & then a few chapters later there'd be another reference & i'd just be like "oh right..."

i’m not too into podcasts, but this definitely piqued my interest to check out The Magnus Archives, & i’ll definitely be checking out more books from this author.

Thank you to NetGalley & the publisher for this arc in exchange for an honest review
Profile Image for The Reading Frog (semi ia, sick).
108 reviews63 followers
Review of advance copy received from NetGalley
July 6, 2026
Thank you to Jonathan Sims, Poisoned Pen Press & NetGalley for this free ARC in exchange for my honest review

Rating: 3.75/5 ⭐
CW: Explicit |
Moderate |
Mild |
My chosen soundtrack(s): The line - Jed Kurzel | Gyroscope - Boards of Canada (the beat reminds me of the sound of train tracks)

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‎ ‎ ‎ ‎The Burn Line follows a group of diverse characters who are all, in some way or another, down on their luck, living an unfulfilling existence or are in some way or another struggling under London's (metaphorical) thumb.

‎ ‎ ‎ ‎A dangerously hot heatwave is reigning over the city, reaching temperatures that would make it "illegal to transport cattle on the Central line because it was too hot." Unfortunately, there are no such regulations in place to protect humans, which is why we join our cast of characters in the London Underground.

‎ ‎ ‎ ‎Five strangers find themselves in a tube car, all for different reasons, yet with something pivotal in common. The travellers feel as if they just woke up from some type of dream. Dazed and unsure of how they found themselves where they are.
‎ ‎ ‎ ‎Traces of a mysterious, ashy, oily substance can be found on and around them, and a permeating, unpleasant sweet smell dominates the air alongside the heat.
‎ ‎ ‎ ‎It's confusing and unsettles them all. Whether they acknowledge or deny it, blame it on exhaustion or the heat, something horrible and life-changing has bound their fates together.

‎ ‎ ‎ ‎The group tries to leave what happened behind them, but the London Underground doesn't easily let go of what was once in its clutches...

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Representation
╰┈➤ BIPOC MC, Senyo, described as black, and it's mentioned that his parents came from Ghana
╰┈➤ South-Asian MC, Elise, described herself as white-passing but is implied to be South-Asian
╰┈➤ Chronically ill/ mostly invisibly disabled MC, Elise, has Diabetes and relies on insulin
╰┈➤ Transfem MC, Tash
╰┈➤ Unspecified, either bi/pan or lesbian MCs
╰┈➤ WLW dynamic
╰┈➤ Genderqueer SC (they/them)
╰┈➤ Mental health rep, through multiple (main) characters,


Themes
Non-spoilery | Altruism, dehumanisation, dissociation, empathy or the lack thereof, heat wave, London as a microcosm, memories, ordinary/everyday run-of-the-mill people, post-pandemic aftershocks, selfishness, social/political issues, solidarity, survivor's guilt.
Somewhat-spoilery |


Tropes/What To Expect
‎ ‎ ‎ ❥ Multi POVs
‎ ‎ ‎ ❥ Something followed them home...
‎ ‎ ‎ ❥ Mysterious and tense
‎ ‎ ‎ ❥ Diverse, flawed, complex characters
‎ ‎ ‎ ❥ Social/political commentary
‎ ‎ ‎ ❥ Found family

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What I liked/loved
‎ ‎ ‎ ✧ The set-up of the first chapter was an amazing introduction to the atmosphere of the story and offers vivid descriptions of the characters.
‎ ‎ ‎ ‎Before even a single sentence of dialogue is uttered, we already get some idea about who these completely different people are.
‎ ‎ ‎ ✧ The diversity. The characters we share a headspace with all come from different backgrounds, races, identities, and walks of life. Who they are as people, what their jobs are, their familial and non-familial relations, their ambitions, etc., all impact the way they experience and view the world. Which brings me to my next point.
‎ ‎ ‎ ✧ The multi-POVs worked really well. I loved that we got to experience characters we already knew through another character's perspective, putting them in a new context, getting to know them again through a different framing. We also got some overlap of POVs of the same events, which was fascinating to read.
‎ ‎ ‎ ‎I liked every character's POV I've read, but I loved spending time in Aaron's and Seyo's headspace the most.
‎ ‎ ‎ ✧ Amazing social and political commentary, which I can't really discuss truly in depth without spoilers, but just trust me when I say there is some interesting discourse.
‎ ‎ ‎ ‎Now, for those who have already read it: The Burn Line is very much a commentary on It's something very reflective of our current lived reality, which made it really easy to immerse and sympathise with the characters.
‎ ‎ ‎ ‎I specifically enjoyed the discourse on
‎ ‎ ‎I do think some exploration of those topics was a little on the nose, but I had a fun time regardless.
‎ ‎ ‎ ✧ Characters as commentary devices. It's narrative, it's character work, it's personal. This read is extremely character-driven.
‎ ‎ Our group is complex, flawed, and nuanced. Some I instantly loved, others surprised me by changing my opinion on them in ways I hadn't expected. Some made me roll my eyes or beg them to get that stick out of their arse. Their complexity makes them the perfect devices for exploring these social and political discourses on a personal level.
‎ ‎ ‎ ‎ ‎ ✵ Through Aaron, we explore altruism, empathy and kindness in situations that often force a person to grow hard and cold. Where selfishness is survival, yet not always the given choice.
‎ ‎ ‎ ‎ ‎ ✵ I love that we explore through Senyo how we sometimes have no choice but to be a part of a system we morally and fundamentally do not agree with. How being 'a part' of something is impactful in both negative and positive ways. That 'few against the many' goes both ways.
‎ ‎ ‎ ‎ ‎ ✵ Will was such a fascinating character to me. Someone complex, bursting with ambition and a certain desperation for success. Trying to win a game regardless of starting with an undeniable disadvantage. How something at some point has got to give.
‎ ‎ ‎ ‎ ‎ ✵ Through Elise, we explore what it's like to constantly have to make yourself palatable and presentable even when doing so is extremely exhausting.
‎ ‎ ‎ ‎ ‎ ✵ Tash takes us along the undesirable living situations she has to navigate and the unfortunate reality of having extra safety measures to think about when queer and/or trans.
‎ ‎ ‎ ‎Each character is in some way its own exploration of a corner of the social/political microcosm that makes up London, which mirrors worldwide circumstances.
‎ ‎ ‎ ✧ The first half of the book builds great suspense and has that "something is wrong, but I don't know what" feeling that keeps you engaged and turning another page.
‎ ‎ ‎ ✧ Though the disability/chronic illness aspect doesn't have a huge presence, I'm glad it was more than a footnote. It impacted Elise as a character, how she navigates the world and of course, her literal health and safety. I'm always thankful for non-lazy representation.
‎ ‎ ‎ ✧ There are lots of original takes on established horror tropes/themes/aspects. I love being surprised like that!
‎ ‎ ‎ ✧ Sims truly has a large vocabulary to invoke disgust with. Which is honestly really impressive. I don't think I've ever seen the word 'ooze' this much in one singular book.



What I didn't like/felt lacklustre about
‎ ‎ ‎ ✦ Though marketed as a horror, it wasn't really a horror to me. Yes, it was mysterious, dark, sometimes eerie, and it definitely contains some body horror, but I still wouldn't categorise it as such. Especially because a large part of the book was character-driven, mystery and at some point quite action-fueled. It feels like a genre-bend of multiple categories. So keep that in mind when deciding if this is the read for you.
‎ ‎ ‎ ✦ I did NOT care about the romance sub-plot. You can't just declare that there is a romantic relationship without anything to base it on. No scenes, no chemistry, nothing. We surely are told about it, but there is zero evidence that made me believe their "love".
‎ ‎ Not every book needs romance! If it doesn't add anything, just leave it out! This plot point truly was the embodiment of the phrase "yes, girl, give us nothing".
‎ ‎ I've noticed this with a lot of queer rep in books. When there is queer rep, there is often a romance dynamic to, I don't know, prove this queerness? It has a certain amatonormativity to it that I simply don't care for. I'd rather have single, well-developed queer characters than an empty romance plot just for the sake of it.
‎ ‎ ‎ ✦ There were some pacing issues.
‎ ‎ The first third of this book is all about mystery and suspense. This segment I loved.
‎ ‎ This is followed by a segment where some things are revealed, but not a lot happens. It felt a bit like waiting, which felt slow to me.
‎ ‎ The last third is almost survivalist, which I do enjoy, but it did become a little campy. There was somewhat of a different tone to the start of the book. Where it was once quite serious, introspective and deep, the third part became a bit more comedic and wacky. I didn't mind it, I had fun! But I did have to switch gears for a moment.
‎ ‎ ‎ ✦ SOLVED I have one question I don't have an answer to, and I'm not sure whether I missed it or if we are supposed to be left wondering. Either way, it is bothering me! If anyone knows who this is referring to, let me know:
I might just be a bit stupid, my brain may just be as cooked as the London Underground.



Conclusion/Notes
‎ ‎ I picked up The Burn Line just in time to fill that Summerween craving I've been having, and it definitely was a good snack for my growling stomach!

‎ ‎ The plot is original, fun and unique in its creature and worldbuilding, albeit a bit campy after a certain point. The suspense kept me on my toes, and I was genuinely invested in the survival of our main characters. Which I think showcases where this book shines: its characters.

‎ ‎ I loved meeting Elsie, Senyo, Tash, Will and Aaron, and to me personally, they were the showstealers of it all. They were layered, complex, messy, and sometimes made choices I did not agree with, but not once was I not invested in them.

‎ ‎ Overall, The Burn Line is a fun read. It wasn't life-changing, but it definitely made me feel less like shit about my own suffering of these ridiculously high temperatures, because the characters in this book definitely had a worse heatwave experience than I did. For that I am thankful!

The Burn Line is set to release on Aug 25 2026.


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“We have more power together.” “But they do it anyway(...) “That’s the thing. We don’t get to have power. If we try, all that changes is how hard they kick us when they take it away.”


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Profile Image for Steve Chaput.
675 reviews28 followers
July 27, 2026
A group of strangers experience something mysterious on the London underground which they can’t explain. Suddenly events begin to happen that causes them to seek each other out.

Something is lurking in the depths of London and people are disappearing. The group begins to realize that they must take matters into their own hands.

Nicely developed characters that I’d love to meet again.
Profile Image for Becky Spratford.
Author 4 books926 followers
Review of advance copy received from Publisher
April 3, 2026
Review in the June 2026 issue of Library Journal

Three Words That Describe This Book: Multiple Points of view, Social Commentary, Horror-Mystery

Draft Review: Fans of the Magnus Archives podcast rejoice, its creator has written his first book, an entertaining and immersive eldritch horror-mystery set during a sweltering heat wave, featuring a monster in the London Underground. In consecutive chapters to open the novel, readers meet five strangers on a train car. One by one they tell their story of that fateful day as each experiences an unsettling moment of dissociation, notices a distinctly awful smell unlike any bad odor they have encountered on the Underground before, and comes away with a gray, flaky film clinging to them. The dread and unease from that fleeting moment follows each, first as a nagging bad feeling, then manifesting into a pale humanoid creature, stalking them. A story where every detail matters, bonkers in all the right ways, producing claustrophobic chills, and providing a biting social commentary, readers will dive into the tunnels and root for this motley group of former strangers turned found family as they work together to stop a terrifying monster and save the people of London (and themselves) from a terrible fate.

Verdict: With a huge built-in audience, libraries need to have this one available, but it is also an excellent suggestion for fans of Chuck Tingle, Alma Katsu’s Fiend, and Jeffrey Cranor and Joseph Fink’s Welcome to Night Vale.

Other words: Eldritch, found family. bonkers (but just the right amount, still serious horror), dark humor, stifling, claustrophobic immersive, popular podcast now writing a book, entertaining, terrifying, multiple points of view

First, it must be said that the author is the creator of the very popular original, horror-mystery podcast The Magnus Archives. It has a Welcome to Nightvale feel, but instead of a town it is focused on an archive and the supernatural mysteries that come from that.

So right away, you have an audience for this book at your library-- the millions of people who have enjoyed the podcast. Also fans of Welcome to Nightvale and its spin off books.

The story is original, entertaining, with an eldritch feel, and so stiflingly claustrophobic. We start on a London Underground car. It is the middle of the worst heat wave in London ever. This is important to the story because everyone is sweatier and more out of it than normal.

There are 6 people on the car. Part 1 of the novel is 5 of those people telling the story of their day on that train car. Elise (works for the transit ministry as a coder), Senyo (an Underground driver and union leader), Tash (an overnight hotel clerk), Will (a finance guy), and Aaron (young homeless man).

One by one they tell their story of that day. This is a great way to start the book because readers get to meet each character from inside their head. It sets up the fact that all 5 had a moment of dissociation on the train and that they knew something strange happened. They also note a strange bad smell-- very different from regular Underground smells and a weird flaky film that gets on them. The dread and unease from that experience followed them throughout their days and even moved into something stalking them (maybe) at home in their nights.

(Side note, I had two books with smell playing a big part in the story for this column-- Fabulous Bodies is the other)

And it increases the mystery around the 6th person. Which comes into play.

But the bouncing around of character helps to keep the story moving and allow the reader to understand the motivations of each character before they understand each other.

Here is the thing that Sims does well-- all the details matter. The five characters notice and work on things in their jobs, things that all get used in the story-- but not in a way that feels forced. I liked that. So for example, the heat wave and how and why the Underground is so hot and how people have been trying to fix that for years that comes into play. That is one example.

I always appreciate when the details that build characters and place also playing a role in the plot.

Like all good horror, the story is resolved but the chance of the monster coming back to find them is very possible. Sequel?

The social commentary about how hard it is to live in London with rising costs, racism, and how poorly the homeless are treated, and how the rich are getting richer, etc...it is all woven in to the story.

The monster deep in the tunnels is well built. It is more than they even realize at first and how they seek it all out and fight it is believable. Everyone uses the skills and professions they have to help solve the mystery. They really need to work together as a unit to save themselves from being the next victim. For example, Senyo has access to the Underground CCV for each car at anytime. Will has access to a very rich man who may know something about all of this. etc...

And in the process-- the found family they create is heartwarming. Even after the terror.

This is a solid, entertaining horror story with some social commentary. The mixture of dark humor with serious social issues and terror was done well, but it is a little over the top at times. That makes is a fun read and I cannot fault the author for that.

Paris nicely with Alma Katus's Fiend (ancient evil tied to the rich and social commentary) and Fabulous Bodies by Chuck Tingle (bonkers, smell plays a part, social commentary, mystery aspects) And of course fans of Welcome to Nightvale.
Profile Image for Trisha.
6,162 reviews247 followers
April 2, 2026
Just a hot day and your average day on the train - from work to home, home to work, each person on their own ride and in their own world. Until today - today, they all seem to wake up and shake off. . .something. They don't know what. There's only a few of them on this warm train and none of them know each other.

But as they each go home, they start hearing shuffles around them and something appears to be. . .stalking them. But as one of them has a friend go missing, assumed murdered, he knows he needs to find out who was on the train and they need to discover what is going on - before they all meet the same fate.

This was a great mystery that rolled right into a creepy horror story. I liked that we get each POV, each person waking up on the train and their movements from there. It really helped understand they all had their own lives that were disrupted by this moment. I liked how they came together, figured things out. I never guessed where the new shocking horror would pop up or how it would all come together.

I did an audio and the narrators were great - one of them being the author! It really did add to the urgency of the story and help discern each personality of the characters. A good story, I enjoyed it!

A huge thank you to the author and publisher for providing an e-ARC via Netgalley. This does not affect my opinion regarding the book.
Profile Image for Andreas.
355 reviews185 followers
September 15, 2026
while I agree with the message, it could have used some modicum of subtlety in its delivery; also, I particularly dislike ultra-contemporary references in fiction (looking at you, covid-19)
Profile Image for Michael.
421 reviews60 followers
September 5, 2026
I could easily see this being a Netflix series, and I think I would enjoy it more in a visual, episodic format. That gorgeous cover is cinematic in and of itself. I didn’t find it particularly scary or horrifying, I kept skimming to get to the action. Each character gets their own chapter and early on this set up felt very repetitive. We don’t need to see the story from every person’s viewpoint within it.
Profile Image for Julia Bodwell.
Author 3 books76 followers
April 8, 2026
A story that’s equal parts creepy & intense. You’ll be rooting for the main characters and the bonds of friendship & family they form in this wholly original horror standalone!
Profile Image for gracie.
884 reviews342 followers
September 13, 2026
This is a book that I'm rating solely based on its merit rather than a joint rating with my enjoyment because I read this while in a depressive episode. I'm quite familiar with Jonathan Sims and I was intrigued to see how a full length horror novel from him would go and I was not disappointed.

The book is very well written and there was a perfect balance of tension, suspense and the comedic moments in the novel. I liked the characters and how distinct they felt from each other, the different backgrounds they came from too. It was all very interesting to read about.

Can't quite say I was hooked from start to finish but even the slower moments did a good job of setting up the foundation for the faster paced moments. The ending was a bit anticlimactic but satisfactory nonetheless and that's a lot more than I can say for a lot of books I've enjoyed.

Thank you Poisoned Pen Press for the arc in exchange for an honest review
Profile Image for Dozelina 666.
437 reviews17 followers
July 9, 2026
I have very mixed feelings about this book.

The premise immediately caught my attention. Five strangers experience something horrifying on a London Underground train, only to discover that they can't remember exactly what happened during those missing moments. When they realize whatever they encountered isn't done with them yet, they reluctantly join forces to uncover the truth before it finds them again.

I really liked the writing. Jonathan Sims does an excellent job creating atmosphere and I especially appreciated how vividly he captured the suffocating heat of the London Underground. Between the overcrowded trains, the relentless temperatures and the claustrophobic tunnels, I could almost feel myself sweating alongside the characters.

I also enjoyed the multiple POVs. Spending time with each of the five main characters gave the story a lot more depth and I found it easier to understand their motivations and connect with their individual struggles.

My biggest issue was the pacing.

For me, the first half felt like a very slow burn, so slow that I occasionally found myself waiting for something significant to happen. Once the story picked up, I was much more invested, but I do think it took a little too long to get there.

Overall, I enjoyed the atmosphere, the character work and the creeping sense of dread. I just wish the story had reached that intensity a little sooner.

⭐️⭐️⭐️✨

Thank you to NetGalley, Orion Publishing Group and Poisoned Pen Press for the opportunity to read and review this book.

https://turnthepagewithana.blogspot.c...
Profile Image for kensi.
61 reviews1 follower
July 31, 2026
2/5 stars

While I haven't read the author's previous novels, I am pretty familiar with his podcast, The Magnus Archives, which I enjoyed but did not love; at least not as much as many people seem to. Still, it's because of the podcast that I know just how well Sims can write horror (some episodes have stuck with me 5 years after the end of the show) but unfortunately this book fails to showcase much of the talent Sims has.

The premise is great: something is killing people on the Tube and a group of strangers has to band together to find out what it is and how to stop it. A bit simple maybe, but oftentimes in horror novels or movies things become too complicated so sometimes simple is best. The first chapter opens with a creepy, queasy feeling incredibly well... and then we have to re-hash the exact same thing happening 4 more times through every other main character's POV which takes up the entirety of the first section.

It's not until Part II where the plot honestly starts to kick in, which is about 20% into the novel and about 10% too late in my opinion. But now the plot is interesting enough that I'm captivated by it and am excited to see where it leads until I hit a wall at 60% when George comes into the picture.

The fact that everyone buys his story so readily is ridiculous because it sounds as if he's made it up on the spot, and yet the group goes along with it and decide to follow this man who they all privately don't trust into the depths of the Tube system to hopefully kill this creature that has been hunting them. Sure, I guess? Obviously they have to do something but going in on their own would have been better than this. I just don't understand how things got to this point when the middle bit was going so well.

The final battle ensues, Chekhov's insulin injection is used to keep some characters back to explore more, one of the worst one-liners I have ever read is used completely unironically, and at this point I have lost almost all interest I held in the book and I'm ready for the book to be over.

And it does end. Kind of. There's an epilogue where everything is wrapped neatly with a bow that doesn't feel particularly earned and that's it. Except also not because the threat is still very much there despite everything our heroes went through, so it felt like it was all for nothing. I can tell Sims was going for the found family trope here at the end, but again, it doesn't feel earned. We're told over and over again that certain people have become close in either romantic ways or not, but we don't ever really get to see that for ourselves, which is disappointing.

I think this would have worked better as a novella or a short story. Like I mentioned, for a good 40% of this book I was entirely locked in and eager to see how the story was going to progress, but then it went off the rails and not in a good/fun way. I also believe that having

The writing is done well, I appreciated the representation found throughout, and the concept is great, but unfortunately this book didn't work for me as much as I wanted it to.

My thanks to Poisoned Pen Press and Netgalley for providing an advance copy of this book in exchange for my unbiased review.
Profile Image for Krystelle (based on the novel by Stephen King).
1,505 reviews54 followers
April 25, 2026
Thank you to NetGalley and the publisher for this ARC!

This is a really good example of the kind of thing you can do with horror as a social commentary. More than anything, this book is a big, bundled class discussion and dissection, and the things that happen to the characters are in aid of that discussion.

The thing is, the characters are equally well fleshed out and developed, and so you get a delicious horror banquet that hits all the right notes in all the right places.

While we have five characters to follow, all of which are interesting but not overwhelming. All of them are well developed, and they don’t tend to take too much or too little of the narrative. I think my favourite characters were Elise and Aaron, just because they were so well written. The description of the public service was very apt, and I laughed more than once at some of the absurdity.

The monster threat in this was exceptional, and I think a really good twist on the normal lore. It just felt like it had a lot more work and care put into it, and I really appreciated it from a horror standpoint. The only thing I did feel could have been improved was the ending, but even that was only by a little bit.

The writing was exceptional too, and I think it’s definitely a testament to what horror should be- social commentary, a touch of wry humour, and, at the heart of it all, really good characters who make reading the book a delight.
Profile Image for rhys.
43 reviews
April 16, 2026
Thank you to NetGalley and Poisoned Pen Press for a copy of this e-ARC!

The Burn Line was my first exposure to Jonathan Sims and it is safe to say I believe that the hype is well deserved. This book was eerie, placing a new spin on a beloved horror trope of mine, vampires. Sims’ ability to produce dread is fantasy, the description of these monsters are revolting and nasty, the body horror was excellent when it became present.

However, the biggest gripe I had with this story was the character’s relationships. I enjoyed all of the individual characters from what we got of them, but I think this story would’ve benefited a lot more from either: a) being longer to show rather than tell the development between the cast, especially with the family dynamic. Yes, the situation is high stakes, and there’s a nasty white freak chasing them around; but, whenever the dynamics between the characters were mentioned I found myself wanting more out of it (ie Tash and Elise, Aaron and Senyo) or b) having the amount of POVs cut down to strengthen individual characterization, as I personally felt as though it felt spread thin.

I would have found myself rooting for them and their individual arcs a lot more if I were shown bonding rather than largely told about it. A lot of it seemed to have happened off page and that aspect disappointed me the most in this story, especially when it becomes so vital to the narrative later on.
Profile Image for Erin Dunn.
Author 2 books109 followers
June 16, 2026
3.5 stars rounded up to 4 stars

✨✨Atmospheric and tense, but a bit too slow at times✨✨

The Burn Line is a very atmospheric, creepy, and tense read! I really enjoyed it for the most part.

The setting of a stifling hot London Underground and 5 travelers trying to figure out what’s going on, why they can’t remember some stuff, and what is killing people was really intriguing. I definitely wanted to keep reading and figure it all out!!!

I did struggle with what to rate this one and that doesn’t happen to me often. Some of the pacing was a little off for me, it was really slow in some parts. The rest was pretty fast paced though and I did really like how well done the tension building is. I think maybe it was because of how many POVs there are why it was slow at times.

I’m pretty happy with the ending. As a whole, I really liked The Burn Line!

Thank you to NetGalley and the publisher for providing a free ebook copy in exchange for an honest review. This book is expected to be released August 25, 2026 .
Profile Image for KaysKillerReads.
107 reviews7 followers
August 9, 2026
This one took me longer to read than it should have. July was a very busy month in all the best ways. Between family vacation and everything else life decided to throw into the mix (life, am I right?), all that reading time I had planned never quite materialized.

And honestly, who knew 4-year-old boys cling to their moms more than dryer sheets cling to microfiber? 😂

Had I actually had the time, I probably would have finished this in a couple of days. I had a hard time putting it down, and when I did, it spent that time living rent-free in my head.

Jonathan Sims does a fantastic job of taking something that's been written a million times in a million different ways and somehow making it feel fresh. It's a vampire story (or is it? 👀), with a strong undercurrent of "the rich get richer while the poor suffer" woven throughout.

My only real downside was the pacing. The beginning felt a little slow, while the ending felt rushed. It almost felt like the book was originally much longer and then trimmed down, with most of the cuts coming from the final act.

While I completely understand that the character building at the beginning is vital to the story, I found myself wishing we'd gotten more of George. I also would have loved more backstory on the creatures. Combined with the rushed ending, it left me feeling like there were pieces of the story missing.

All in all, I'm giving this book 3 stars ⭐⭐⭐.

I enjoyed it, and I would absolutely recommend it to others. But for me personally, I just can't push it past that 3-star mark.
Profile Image for Grace -thewritebooks.
457 reviews8 followers
Read
July 14, 2026
Thank you to NetGalley and Poisoned Pen Press for an eARC in exchange for an honest review

Obviously I'm here as a Magnus Archives fan, and I'm so thrilled to be so up to date that I got to read this before its pub date, but I'm also into horror anyways so I like to think I wasn't swayed too much by preconceived notions. Not sure that there has ever been a more timely book release as the UK succumbs to yet another heatwave, the pace of this story had a slow, simmering build that I really enjoyed. Sims' descriptions of the heat on the London Underground were replaying in my mind when I was there over the weekend and that wasn't even a horror element, just setting the scene.
I don't think this follows the found family trope in the standard way, but circumstances really do throw these characters together from all walks of life and require them to have each other's backs.
Overall, I wasn't blown away. I do think we've seen this style of Underground horror before, which is not to say that I didn't have a great time, the building of suspense was fantastic and each character's background was relevant to the unfolding story. And I loved the 'eat the rich' energy throughout!
Profile Image for Sabrina (witchy.library).
434 reviews47 followers
August 17, 2026
3.5 overall!

I was intrigued by the cover alone with this one and was definitely excited to see what it had in store. I loved the multiple POV’s of each character and seeing each perspective and how they come together. You definitely get to feel for each character and the struggles that they go through. This was definitely a slow burn thriller and builds up the suspense.

I guess I was expecting something different with this book and did want more of the creature part of it. With the long chapters it did feel dragged out and long winded at times where there could’ve been more action. The twist also did feel predictable and I wanted just maybe a little more from the ending.

Overall, this one was middle of the road for me and was good at times but also a slow burn that I felt needed to speed up some.

Thank you to NetGalley and Poisoned Pen Press for my ARC in exchange for my honest review!
Profile Image for Kim Novak (The Reading Rx).
1,356 reviews30 followers
August 29, 2026
I can't remember the last time a horror novel attacked my olfactory senses in such a way. I would literally smell the words coming off my Kindle. New fear unlocked being underground in a subway after reading this! I enjoyed the multiple POVs and how all the characters came to recall their shared horrific experience in slightly different ways. I thought the cast of characters was thoughtful and diverse, and the story would make for a great movie or limited run series.

Thank you to Poisoned Pen Press and NetGalley for the opportunity to read and review this ARC.
Profile Image for Stacey Markle.
899 reviews42 followers
August 30, 2026
The London setting, in the underground tubes particularly, is a terrific choice. Instantly anxiety inducing, the hot dark tunnels can hide any sort of nastiness! Jonathan Sims plays on that fear and anxiety so well in this gripping read.
5 strangers experience something at the same time while riding the tube (subway for NA) yet can't really get a handle on what happened, especially since no one else remembers anything. As they slowly come together to unravel this mystery, they experience dark days and insane happenings. The sense of dread and tension is built slowly but surely, culminating in a great ending. With 5 main characters and a host of others, it gets busy keeping everyone straight but it's worth the effort.
Eerie and atmospheric, this engaging novel worked well for me. I would definitely read more from this author.

Thank you to NetGalley and Poisoned Pen Press for the opportunity to read and review this title. My thoughts are my own.
Profile Image for rachel.
427 reviews74 followers
May 23, 2026
You see that one month gap earlier this year where I appear to not read anything? Yeah, I was binging the entirety of The Magnus Archives.

I was truly, endlessly impressed by the horror anthology, how it all culminated, and how utterly brilliant Jonathan Sims’ mind is.

So, imagine my utter delight when I find THE BURN LINE on Netgalley (thank you to them & Poisoned Pen Press!) and was approved for an e-ARC less than 24 hours after requesting it. Naturally, I dived in immediately, even though my TBR is growing longer than the Great Wall of China.

In The Burn Line, six strangers in London emerge from the Underground rattled and anxious from an experience they can’t remember, but is affecting them in their day to day life in a way they can’t explain. The only thing that connects them is this incident, and their terror is made all the more oppressive by Sims’ description of the oppressive London heat wave and burden of barely scraping by in a world made for the elite and wealthy.

The multiple perspectives that this book offered was brilliant and kept me endlessly compelled— you’re kept on the edge of your seat as they attempt to figure out what exactly happened while still trying to get by in their day to day lives. There were many elements that were reminiscent of The Magnus Archives and heightened my experience reading The Burn Line, although I am not sure—for readers unfamiliar with TMA—whether this would be interpreted as foreboding or as an element that muddles the remainder of the plot.

Although the beginning of the book was a bit slow to take off (and you don’t learn about the true origins of “the incident” until the later portion of the novel), the latter half of TBL was worth the wait. The last 30% of the book in particular reminded me of the video game The Quarry—and, since I have been looking to fill that void since its release, I am happily satiated.

My only other qualm with THE BURN LINE was how jarring it was realizing the time period it took place in. TBL takes place in the direct aftermath of the worst of the pandemic and also directly following when the Queen of England dies. Thus, being transported back into a time where everyone is wearing masks and mourning her royal majesty was a bit,,, peculiar. I think this novel could have greatly benefited from a qualifier that it takes place in 2022 (in the synopsis?), as reading it four years after the events of the book did somewhat remove me from the plot.

Otherwise, this was a near perfect read. Perhaps I’m biased because of my enjoyment of The Magnus Archives, but this was such a good horror read for me. I’m so happy I took a chance on this and will make Jonathan Sims one of my auto-buy authors from this point forward.
Profile Image for Luke.
1,701 reviews1,268 followers
September 12, 2026
There may come a day when I venture into the shadowlands known as 'audiobooks' and pull out something that engages me to the end. Until that day, the only longform audio narrative I've listened to with any degree of success is "The Magnus Archives", an epistolary series headed, voiced, and so much else by Jonathan Sims, the author of this book here. One begins to see where the tendrils of enticement spawned from that motivated me to pick this up, as with barely two weeks till All Hallow's Eve the 1st, I'm in the mood to make another stab at resurrecting my interest in horror on more sustainably intersectional ground, and this work's familiar creator with queer label proudly held high was an easy choice (especially when other readers used Libby's Notify Me tag to good effect). Alas, I was left middling more than not, but as so often happens these days, the read was a respite for my beleaguered brain nonetheless, and Sims himself is a potential worth cultivating.

This book wears its politics on its sleeve, for better or worse. I'd have been far less objective if I had gotten the sultry Sim's enunciation that enticed me for many an hour of floor exercises and gridlock commutes, but what is the cave and what is the shadow. In any case, speaking as someone who works in a rather highfalutin area myself, it was fascinating extrapolating the local problems onto London, one if not the final embodiment of capitalism in where the only predator is real estate and the only real estate is fallout shelters. In comparison, the horrors and its victims fell rather flat, and more than once I found myself contemplating the difference between listing off DEI concepts and committing to not founding one's definition of monstrosity on the usual archetypes . Or perhaps the last few years of my own horror story raised my expectations when it came to actually being scared. In any case, the horror of human civilization was my real takeaway from this, so. Missed the heart but hit the brain, perhaps.

My first encounter with Sims was as a part time library assistant balancing a second job and a full time course load in a masters degree. Now I'm a full time professional as well as cancer survivor watching the rights of my community being compromised into genocide by both sides of the political "divide." I must have sleepwalked bargained with the devil at some point, but just as homelessness and death spur on the characters from trans woman to union leader to person of color in tech the most in line, the monster hunting gives space to dabble in revolution and its consequences without having to account for everyone in the brave new world forever after. Such is literary escapism, and for all my equivocating, I am more than interested in seeing what else Sims puts out, textual or otherwise. For I never finished listening to TMA (I am rather immune to sunken cost fallacy when it comes to audiovisual media), and a certain book has popped up enough in my collection development research conducted on the job that I have to wonder whether I'd hook any of my patrons with whispers of a certain Jurgen Leitner.
He couldn't, he wouldn't, believe that it was some sort of widespread conspiracy among TfL staff. That seemed not only repugnant, but impractical. After all, he'd worked with these people for two decades, arranging schedules and trying to organize union meetings. He knew exactly the level of coordination they were capable of, and it was far less than they would need to hide something like that.
Profile Image for laila suarez.
233 reviews5 followers
August 8, 2026
the cover & blurb of this book immediately caught my attention as I was scrolling for new book recommendations! i don't have much experience with horror novels, but i am glad that i gave this one a try!

this book that has a very strong conclusion! after we hit the 50% mark, i started flying through the pages. i enjoyed the multiple povs & the way that the book was broken up into parts but the first half was definitely a push to get through. while i enjoyed the author's writing style, it could feel a little wordy at time. we spend multiple sentences describing one irrelevant item in the background and it can take you out of the story a little bit. the way the author tied in seemingly random moments from each characters life into the ending really helped to make the story more cohesive as well.

i enjoyed the social commentary that we had throughout the story, and it feels especially fitting for our current climate. however, i wish we could have seen just a little bit more done with it. there was also a very seemingly random romance that was thrown into this book about halfway through with no real buildup? i ended up liking our characters by the end but i never really felt onboard with the relationship aspect. the found family in this story is another plus! all of our main characters feel pretty in-depth and their personalities still come across well for a novel written in 3rd person.

overall, the burn line was a good novel, but i'm just not sure if it was the best fit for me. if you're a fan of urban horror and suspense, i think you could really enjoy this book and i recommend you give it a try!

thank you to poisoned pen press for the arc!
Profile Image for Cassie G..
232 reviews6 followers
July 29, 2026
Thank you to NetGalley and Poisoned Pen Press for this eARC in exchange for an honest review!

———

I think this book excels in its world-building of an oppressively hot London, as well as in its overall building of suspense and unease. These characters are trauma-bonded by something truly horrific in its inability to be understood. Most of their motivations are clear, and their group conflicts are natural-feeling considering how different they all are.

However, what I think falls flat is that some things remain vague even to the end with no real resolution. It definitely leaves it open to further expansion into this universe, easiest done I feel through a companion novella. I also felt its pacing lagged at times, offering unneeded tangents that were less relevant to the plot than just added to place this story within a specific period of time: post-COVID, around Queen Elizabeth II’s passing.

Overall, I still enjoyed this book. I think the creatures and everything about how they move, eat, and more had truly disgusting descriptions that I appreciated. I loved how diverse the cast was and the way they interacted with one another. And I would definitely read more from this author.
Profile Image for Georgie.
20 reviews
September 7, 2026
This is an interesting book with a really unique plot, and Sims has written what, to me, is a unique and compelling monster to go with it. I think the concept of a horror story set on the London Underground is just top tier because The Tube (London Underground, for anyone who's not British) is hell sometimes.

Although I think it's a really British topic, I think it will also translate quite well to readers in other places who take similar public transport. I can see this book also translating quite well to film. It is gripping and also unexpectedly poignant in places. I love the variety of characters included.

I received an advanced copy of this book from NetGalley in exchange for a review.
Profile Image for Milt Theo.
2,163 reviews183 followers
September 21, 2026
"The Burn Line" was a struggle for me, and even days later after finishing it I'm still unsure why. I couldn't connect with the cast, I found the pacing uneven and often dragging, though there were scenes and twists I really enjoyed. But the overall result just wasn't compelling enough for me, and I often found myself putting the book aside. The premise is quite promising and entertaining, the author nailed it on atmosphere and setting, but why insist on repeating the same descriptions from different POVs, by characters with such uninteresting backstories? The ending was also a let down. In any case, I think readers who enjoy creature features will enjoy this one nevertheless, as long as they dive into it with the lowest of expectations.
Profile Image for Lili Hill.
287 reviews8 followers
August 27, 2026
Fantastic take on a monster here! This found-family mystery turned action-horror will absolutely keep you on the edge of your seat. What I loved most about this page-turner was the threat of a monster attack bringing together this otherwise unconnected group in such a fabulous way. The backstories are great. The stagnant and stifling heat of summer in the underground of London just adds to the oppressive nature of this story. Excellent novel!
Thank-you, Poisoned Pen Press and Jonathan Sims, for this complimentary copy. Opinions expressed in this review are entirely my own.
Profile Image for Joyfully Jay.
9,548 reviews536 followers
August 25, 2026
A Joyfully Jay review.

3.75 stars


The Burn Line is an entertaining story that critiques classism, dehumanization, increased social isolationism and individualism, and late stage capitalism where the 1% consumes resources and cannibalizes society. The characters represent different rungs in the “lower class” hierarchy and the daily hardships of decreased pay, protections, and community that suck the life from people as wantonly as the monster. Senyo is as stalwart as a rock. The Tube driver is calm, open-minded, and believes in solidarity and respect. Aaron is a young man who has been living rough for years and knows first hand how disposable certain people are considered. Despite facing disdain from people and harassment from police, he’s kind and strong.

The horror isn’t all in on gore, mostly moderate body horror. The atmosphere is focused on the characters’ tension and bone-chilling terror. The dissociative states, exhaustion, and powerlessness are deployed convincingly. The details of their situation are interesting. The buildup is enjoyable, and the climax is exciting, if at times horror camp.

Read Jovan’s review in its entirety here.
Profile Image for Bonnie Rhudy Pierce.
39 reviews
August 16, 2026
3.5 stars rounded up

Five strangers in London all witness something terrible happen while riding the Underground, but no one remembers it. Slowly they start piecing things together after they are being haunted by the ghost of the memory.

I think this was a very interesting premise for a book and I loved the claustrophobic setting of the London Underground. The multiple POV worked very well for this book and I thought the characters were very well written and distinguishable.

I do think that the pacing is a bit slow at times. The beginning is a very slow burn and I found myself wondering at times when something would "happen".
238 reviews
July 11, 2026
the last like,, 25% of this book was sooo good but I can't let that make me forget the rest of it haha

the pacing was off and it was just super boring (until it finally picked up), the characters were fine but they didn't grab me. the end was very fun, it felt like a great call of cthulhu campaign, but even that wasn't mind-blowing.

I think this could have been great if it was shorter, faster, and set entirely on/around the Tube

(unfortunately I said beforehand this means I'm not allowed to buy his next book bc i liked the previous two even less but i keep trying because I adore his writing on TMA and the Mechanisms)
Profile Image for Jennifer.
1,855 reviews64 followers
August 25, 2026
AM I THE PROBLEM?! I feel like maybe my brain just isn't connecting to anything in picking up lately because this one has such good reviews and I feel like it was just meh. Like it wasn't BAD. It just wasn't amazing and I feel like that's not a horrible thing. It felt slow at some parts, mainly the beginning when things ate being laid out but overall it was a solid read yet I still feel bad that I didn't LOVE it.
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