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Memento Mori #2

I delitti della metropolitana (Memento Mori Serie)

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Detective Everett Larkin of New York City’s Cold Case Squad has been on medical leave since catching the serial killer responsible for the Death Mask Murders. But Larkin hasn’t forgotten the anonymously delivered letter, nor its suggestion, that another memento—another death—is waiting to be found.

Summer brings the grisly discovery of skeletal remains deep in the subway system, but the circumstances resemble one of Larkin’s already open cases, so the elite detective resumes active duty. When a postmortem photograph, akin to those taken during the Victorian Era, is located at the scene, Larkin requests aid from the most qualified man he knows: Detective Ira Doyle of the Forensic Artists Unit.

With an unsolved case that suffered from tunnel vision, and the deconstruction of death portraits, Larkin and Doyle are descending down a rabbit hole as complex as the tunnels beneath Manhattan. And if this investigation wasn’t enough, both detectives are struggling with how to address the growing intimacy between them, because sometimes, love is more grave than murder.

342 pages, Paperback

First published October 28, 2022

166 people are currently reading
1022 people want to read

About the author

C.S. Poe

41 books1,292 followers
C.S. Poe is an author of gay mystery, romance, and speculative fiction. She’s a winner of the Next Generation and e-Lit book awards, as well as a finalist of the Lambda Literary award.

She resides in New York City and is a Gilded Age New York historian and board director for the Victorian Society of New York. She loves Romanticism artwork, the films of Buster Keaton, coffee in the morning and whiskey in the evening, true crime, and cats. She’s rescued two cats—Milo and Kasper do their best to distract her from work on a daily basis.

C.S. is an alumna of the School of Visual Arts.

Her debut novel, The Mystery of Nevermore, was published 2016.

cspoe.com

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Displaying 1 - 30 of 517 reviews
Profile Image for Chelsea.
490 reviews687 followers
March 26, 2025
I’M GOING TO THROW MYSELF OUT A WINDOW BECAUSE I DO NOT KNOW HOW TO HUMANLY AND PHYSICALLY AND VERBALLY EXPRESS HOW FUCKING FANTASTIC THIS SERIES IS SO FAR AND I NEED TO DO/FEEL SOMETHING AS CHAOTIC AS MY INNER FUCKING ENTHUSIASM.


AND THAT OBSESSION IS LARKIN AND DOYLE. 💗💗💗
Be still my beating hearttttt.

Holy fuck, round 2 of THE ULTIMATE BRAIN SCRATCHING SESSION WAS EVERYTHING I FELT FOR BOOK 1 + SO MUCH MORE.
The writing style just touches me in all the right places.
I can't get enough of it.
The feral rat in me is literally squealing AT EVERY INTERACTION👏, EVERY LITTLE FLIRT👏, EVERY WRIST BAND FLICK👏, EVERY CONFESSION👏.

Feet swinging cuteness levels. The way Doyle worships Larkin and his fucked up brain has me swooning to death. I may pass away with how infectious this series is.


THE SLOW BURN IS FUCKING SLOW BURNING, IT'S SIMMERING, IT’S IN YOUR MUMS SLOWCOOKER... 🔥🔥🔥🔥🔥
They give you just enough emotional connection, and then cut straight back to the mystery because neither character is ready to unravel infront of the other completely just yet... 🥹🥹🥹

The fact that Doyle's love language is physical touch, and Larkin is practically revolted by touch, makes the fact that none of this build up between them is based on sex MAKES IT PERFECT. Every touch will have you squealing.

Larkin is just a boy with a silly brain, he can’t help it 🥹

(Ulmer, or whatever his dumb cunt name is can die. The homophobic colleague. I don't know his name because I listened on audio, but i hate him so much that I hope he crashes his car off a bridge and dies painfully 😇😇😇😇 thank you)
Profile Image for nark.
707 reviews1,779 followers
February 16, 2023
♡ these two are so wonderful together.🥺 the way their relationship is developing is just so beautiful to witness. the hugs. the mutual understanding and comfort. the way they just get each other on a deep emotional level. the way their connection isn't based on lust and sex, like it is in so many other romance books these days. truly amazing. love to see it.

"at the sound of Larkin’s heels on hardwood, Doyle raised his head and looked across the studio. his face had this way of lighting up whenever Larkin walked into a room, like the first rays of sunshine to reach over the horizon at dawn, that always made Larkin want to check over his shoulder, because no one had ever stared at him quite like that before."

♡ however, i think it's important to note that the mystery/romance ratio is about 70%/30%, so if you're looking for pure romance, this might not work for you. while the mysteries are pretty good overall, i wasn't personally that into them, but the main characters and their relationship kept me interested enough to keep reading.
♡ i actually dnf'ed the first book of this series sometime last year, but randomly decided to try it again yesterday. i am definitely glad i did, i absolutely love these two. can't wait for the next book!:))
♡ also, i read this while listening to the audiobook and the narrator did a wonderful job.
Profile Image for Alexia.
427 reviews
January 17, 2025
3.5 stars.

I have mixed feelings about this book, which made it challenging to rate. I’ll outline what I loved and what didn’t work for me.

First, the relationship between Larkin and Doyle is exceptional. It’s a healthy, beautiful love that feels incredibly real, thanks to the author's skillful writing. They take their time developing their bond, which is refreshing. Doyle, in particular, is perfection. While there were moments when he frustrated me, he ultimately proved to be the ideal partner anyone would want.

However, some aspects fell short. The plot felt rather messy, and Larkin's final decision in the case left a bad taste in my mouth. This may stem from my skepticism about the justice system, but I found it difficult to support his choices. In this installment, Larkin seemed weaker compared to his portrayal in the first book. Although I recognize his trauma and circumstances, if someone freezes in high-pressure situations, they shouldn’t be out in the field. I still like him and appreciate his genius, but he let me down a little in this book.
However, he did redeem himself a little in the end when he saved Doyle.

While I loved the first book, this sequel didn’t quite measure up. That said, their relationship remains the standout aspect of the series; it’s a healthy, respectful bond executed flawlessly.
Profile Image for moonlight ☾ [semi-hiatus].
764 reviews1,630 followers
October 30, 2022
"Have you been in love."
"Sure."
"How'd it end."
There was a pause before Doyle answered, "It hasn't started."


not me falling in love with all the Doyles bc there's Aslan Doyle (Temporary Partner by Nicky James) and now... Ira Doyle. 🥹🫶🏼

but anyways, i'm enjoying the relationship development between Doyle and Larkin so far and i love how the pacing isn't rushed or too slow? it feels just the right amount, considering both their situations. not to mention, Doyle is such an enigma to me bc, on the outside, he puts on this facade of someone who's carefree, lightens up the mood and is a jokester but, when it comes to his own past, he's still very mysterious and i'm intrigued to learn more about him. 👀
Profile Image for Kati *☆・゚.
1,287 reviews684 followers
October 13, 2023
5***** stars


one word: brilliant.

⇢ Everett Larkin
⇢ Ira Doyle
⇢ the mystery
⇢ the delicate love story
⇢ Kale Williams narrating (perfection!)


Honestly, I’m swooning real hard over Ira Doyle over here. I could fill the whole review up with me verbalizing it.

“Have you been in love.”
“Sure.”
“How’d it end.”
There was a pause before Doyle answered, “It hasn’t started.”


I mean, please!! *swoon *cry *heart eyes
You get it when you read it.

And also, I want to hug Larkin real tight, even though I’m sure he would not appreciate me doing it. But I love him regardless. ♡



This is so unique. Again, chapeau to the author.

And really, I can’t stress this enough! —how Kale Williams gets these characters and makes them even better is simply amazing!




***please note: the questions asked in my quote not having a question mark at the end is no mistake made by the author. The character Larkin speaks in a monotone and doesn’t accentuates questions like we are used to hearing.



***********
Memento Mori Series

Book 1 - Madison Square Murders - 5.0 stars
Book 2 - Subway Slayings - 5.0 stars
Book 3 - Broadway Butchery - 5.0 stars
Book 4 - Hudson River Homicides - release 05/24
Profile Image for Morwen.
215 reviews109 followers
August 17, 2025
Subway Slayings (Memento Mori)

This second book was quite a wild ride and such a good way to balance out the first.
The first installment was wonderfully focused on Ira and Everett's orbiting around each other and discovering how together they are "more than the sum of the parts", for lack of a better definition, but it outshone the investigative plot, which seemed more a means to an end.

The investigation was more dominant in this second book, and I was much more intrigued by the serial killer plot line.
Especially towards the end, I was on the edge of my seat, trying to read faster, because the tension was so high! I admit that I even found Doyle suspicious at some point, even though it didn't seem like something the author would actually go for.

The relationship aspect is still incredibly swoony-cute, wholesome, and very real; it just takes a backseat, seeping deeper into the folds of establishing... permanence.
We follow into their broken present and past, and the author doesn't feed us unrealistic bullshit but shows us the DEDICATION needed to build a solid relationship based on two people who love the whole package. They don't idealize the other -pretending not to know everyone has faults and unresolved issues-, but strive towards healing the hollowness, rather than filling it with trash.

I'm enjoying the common theme of Nietzsche's quotes; it's really making me want to go back to reading his work, even if I'm not sure my exhausted attention span could do much non-fiction anymore.

Subway Slayings (Memento Mori)

Subway Slayings (Memento Mori)

🔖"It's funny. Sometimes I think you read my mind."
"Wouldn't that be something? I'll bet it's full of daydreams not suitable for all ages. Me, naked, with a pocket square on my crotch —for propriety's sake— lying on a bed of DDS forms with a sultry, come-hither expression."
"Have you worn my pocket squares on your crotch. Because these are silk."
"No, but now you can't stop thinking about it, can you?"


🔖It was jubilance up to heaven.
And it was incredible.
"Sometimes you make my brain turn off," Larkin said. "No one has ever made me feel that sense of... clarity. And I can focus on just one thought, and it's always, you are such a good man."
Doyle whispered, "I really want to kiss you."


Subway Slayings (Memento Mori)

Subway Slayings (Memento Mori)

______
Pre-read
I'm already starting to be worried about the fact that there are only 3 books for now 😭
Profile Image for Jessica.
507 reviews
July 16, 2025
Audiobook Re-read
Ahhhhh!!! I loved the audiobook just as much as I expected I would 💙 Kale Williams did a phenomenal job bringing Doyle and Larkin to life. The way he captured Larkin's unique way of speaking was perfect imo, and the "whiskey smooth" quality to Doyle's voice was *chef's kiss* 😌

Getting hear my beloved 👇🏻 was everything I'd hoped for 🥹



Original Review
Say it with me... S-L-O-W-B-U-R-N

I can't with these two. They are killing me 😭 CS Poe has developed a sort of magic torture formula that consists of sprinkling in the most romantic things you have ever read in your life amidst regular conversation in a way that will take you out at the knees. Seriously, the way she goes about it knocks me out, especially with Larkin because he will say something that at first glance doesn't seem particularly romantic, but then you take a beat, read it again, and want to climb a wall it's so good 🤣

Other times, you think you're prepared because the conversation is leading that way, but then she goes and clocks you in the head with a masterpiece like this 👇🏻




I fear for my emotional stability reading the rest of this series, not to mention waiting on new books to be released 😂

As for the rest of the plot/murder mystery stuff this time around, I have to admit it was a bit rough for me. It's always difficult reading about things happening to children, but when you have a child of your own, it hits differently 😅 To be honest, I had to gloss over some things because I found them a bit much. The threads of the plot were a bit all over the place, but I think it mostly came together in the end. Once again, things ended on a bit of a cliffhanger with the note at the end, so I'm very curious to see how all of that is going to play out 👀
Profile Image for Teru.
409 reviews80 followers
March 13, 2025
3,5*

Still really entertaining, and I'm getting invested in Larkin and Doyle's relationship. The writing either got better (though still a bit meandering at times), or I just got used to it.

Larkin's personality can be really frustrating with him being kind of self-absorbed, but it's understandable given his circumstances. Nevertheless, he should stop assuming he knows everything and start having some personal conversations with Doyle...then he won't be surprised he doesn't know some things because he didn't even ask.

Ira Doyle is a fucking treasure and he needs to be protected at all costs, that man is a dream ❤️ he reminds me of Aslan (also Doyle, huh, look at that) with his saintly patience with his anxiety-ridden boyfriend. I want to know more about him!

I'm actually really looking forward to the next book, it sounds interesting and I'm curious how their relationship is going to develop. Also, who's the mysterious sender of all those notes to Larkin...
Profile Image for Pauline.
401 reviews187 followers
March 17, 2025
I don’t know how to function after this book.

This had everything I loved about book one, just even better. The case was grittier, darker, advanced and unflinching in its portrayal of human depravity.

And then there are our two gorgeous detectives at the heart of it all.
Larkin’s snark, wit and hidden humour had me whooping and squealing at my kindle while his vulnerability, hurt, emotional overload and softness touched me deeply. The way I’m rooting for him honestly borders on unhealthy.

And Doyle, Ira… how is it possible to be so attracted to a fictional character? His unlimited patience, his big heart, every Evie and flick of the hair tie, how he’s so smart but never pretentious, how he smiles with his entire being, how he’s so creeped out by bugs - it all made my heart stutter. THAT MAN IS MY SOULMATE. ♥️

The dynamic between those two - a person whose love language is touch while the other is repulsed by it - was SO GOOD and gave every minuscule physical interaction so much depth and meaning.
Their talks and their hugs (😭) and the way they both let the other in, ever so slowly, offering up their buried, broken sides to each other, portrayed a level of intimacy unlike anything I’ve ever read - and all that without even a sliver of sex.
Again, SO GOOD.


“Have you been in love.”
“Sure.”
“How’d it end.”
There was a pause before Doyle answered, “It hasn’t started.” 🫠


“And how does my smile make you feel. When I do smile, that is.”
“You smile all the time.”
“I don’t, actually.”
“You don’t need to be smiling with your mouth to smile.”
Larkin furrowed his brows and asked, “Do you know what a smile is.”
“You do it with your eyes. It’s subtle, but I notice it. Like a glow that never gets snuffed out. It makes me happy.” 😭


“I’m not sure how easy it will be, given that we’ve set a precedent for working together professionally, but in eighteen years, I’ve never been happy having HSAM. Until now. Because I don’t ever want to forget how you make me feel.” 😮‍💨



Y’all I’m so conflicted. On the one hand I feel like I need something cute and fluffy after that case, on the other hand THAT ENDING HAS ME ON THE EDGE OF MY FUCKING SEAT AGAIN. What do I do now???
Profile Image for Iz.
987 reviews19 followers
June 15, 2023
Even better on the re-read 😭♥️
_____________________

Utterly amazing.
I've loved C.S. Poe's books for several years now, but with this ongoing series, she's really outdoing herself. "Subway Slayings" was fantastic: chilling and creepy, angsty with a touch of sweetness, and ridiculously gripping and addictive. I managed to devour Larkin and Doyle's most recent adventure in a day, and now I'm really not sure how am I supposed to wait for the next book: maybe I can pay somebody to teleport me to next year? I'm perfectly willing to sacrifice my soul for it.

Anyway, "Subway Slayings" is a sequel that completely lived up to my expectations, and then surpassed them.

The murder mystery at the centre of this book is closely connected to the chilling reveal at the end of the previous book and the mysterious sender of Larkin's taunting letter. And it's even more scary, creepy and horrific: I'll be including some content warnings at the end of this review, because wow. This was a tough read, and (of course) I couldn't, for the life of me, figure out what was going on, and what was going to happen, right until the end. And what an ending! I feel the sudden urge to re-read, and satisfy my Larkin-shaped heart.

And speaking of our beloved, badass Cold Cases detective, I didn't think it was possible, but Everett Larkin broke my heart EVEN MORE than the previous book. I really love him to absolute bits: he's such an interesting character, so broken and insecure, but still scarily smart and resilient and lovable and snarky, and I need him to be okay. I really do.
And Doyle? Re-reading "Madison Square Murders" made me realize he's pretty much still a mystery, albeit a very charming, very yummy one. Here, we get to explore his backstory a bit more, and well. I think he broke my heart even more than Larkin did. GAH, these two deserve all the love and care and peace in the world.

I cannot wait to see what will happen with them, and how their relationship will develop. I'm a big fan of slow-burn, although I love spice and steam just as much. Regardless, I think the pace C.S. Poe has set for them is perfect. I'm excited to see what will happen, how it will happen, and I'm even more excited to get more information about the big, underlying, mystery plot surrounding Larkin's mysterious "observer" (and Larkin's own, still quite mysterious, past).

Also, seeing more of Neil Millett was an absolute TREAT. He could give Sebastian a run for his money with his snark. GAH, his is another book I wish I could sell my soul for. Maybe I should just re-read the whole "Snow & Winter" series? Yes? Good idea.

Trigger/content warnings:


I received an ARC from the author in exchange for an honest review.
Profile Image for Diana.
638 reviews18 followers
January 22, 2023
5 Stars

Larkin and Doyle are becoming one of my favorite couples! The romance side of the story is a very, very slow burn as we learn more about Ira Doyle’s past. I love the way Doyle is with Larkin and help’s Larkin stay grounded when his HSAM gets too much.

The mystery side of the story is original and pulls you in from the beginning. You do have to pay attention because it may get confusing at times.

The audiobook was once again fantastic as Kale Williams is absolutely perfect voicing Larkin in his monotone way.

It’s be a long wait until May/June for book 3, that’s for sure.
Profile Image for Cat the bookworm (semi hiatus ish).
920 reviews179 followers
October 31, 2023
A though subject to read about, peppered with bits of a truly special and beautiful romance.

Let’s start with the murder mystery. Everything involving kids and teens is really hard for me to read. I don’t know about you, but when I read a book (at least a good one), the story and the characters become real for me. The characters, the drama. And in a murder mystery, the victims usually are more than mere faces on blurry pictures, they become real people. And if they’re kids, my heart breaks for them even more. Add to that a truly despicable serial killer, and it gets really tough for me, that’s why I had to take breaks while listening to the audiobook.

That didn’t make it a bad book, on the contrary - I couldn’t stop thinking about it, and I was fully invested in finding the killer.

Again, the mystery kept me on my toes, even though the “big mystery arc” spanning across the books is still a very confusing one.

As for the romance… it’s so good, I don’t even know where to begin. I actually bought the ebook, just to be able to mark some things that tugged at my heartstrings.

Larkin is so… heartbreaking. He’s so broken in many ways, and the way his mind works is described beautifully. No idea if HSAM is represented correctly, but it feels so… real. Relatable. You remember Lieutenant Commander Data from Star Trek/TNG? Larkin is his human equivalent, only with a LOT of emotions that he keeps bottled up tightly.

And Ira Doyle is… pure perfection. Just imagine all the ingredients to bake yourself THE perfect man, and you’d get Ira. Patient, smart, funny, and yes, broken, too, but in a different way from "Evie" Larkin.

Let me illustrate what I mean with a few of my favourite quotes:


“Tell me something about yourself. That I don’t know yet.” Doyle let go, leaned back in his chair. “I’m not that interesting.” “You don’t believe that.” Doyle smiled, his face—his entire body—lighting up. “I kept the very first voicemail you left me. I listen to it, sometimes. When I need to hear your voice. ‘This is Detective Everett Larkin, Cold Case Squad. The time is 9: 07.’”



“Could it be that in seeking himself, in pushing aside the veil, Larkin glimpsed a treasure that looked a little bit like calluses and cardamon and whiskey and pyrite? And that he wasn’t a nobody—because on Wednesday, April 1, at 4: 56 p.m., Doyle had kissed him and Larkin hadn’t been gray, but was instead a rainbow. His treasure made him feel like a somebody. His treasure made him feel like this was a tried-and-true partnership. In art and investigation. In life and death. In love. Larkin’s treasure was Ira Doyle. And his heart had simply been waiting for his mind to catch up.”



“Have you been in love.” “Sure.” “How’d it end.” There was a pause before Doyle answered, “It hasn’t started.”



“I’m not sure how easy it will be, given that we’ve set a precedent for working together professionally, but in eighteen years, I’ve never been happy having HSAM. Until now. Because I don’t ever want to forget how you make me feel.” “That’s arguably one of the most romantic things anyone’s ever said to me.” “I have my moments,” Larkin answered, his voice still its ever-consistent monotone.


I’m so looking forward to reading more of them - or more accurately, to listen to the audio, because - again - Kale Williams is the one who gives even more life to the characters. Even the author starts the book with a dedication to her narrator (at least I think she means him, seeing that the name isn’t a very common one):

”For Kale. Thank you for elevating this series to something more.”
Profile Image for Ash&#x1f349;.
595 reviews113 followers
May 7, 2024
Third read: I didn’t even realise this was my third read lol I never get sick of these two

~~


Second read: I loved this just as much as the first time, and I’m honestly so in love with how Kale Williams narrates this story, he’s amazing.

~~

⭐️4.5⭐️

Everett and Ira are so perfect for each other I just love them so much. Their relationship is still developing and they still have a lot of opening up to do but there’s just so much consideration and affection between them it’s just wonderful.

I really really enjoyed the mystery in this one, like I genuinely don’t care for most of the mystery’s in crime books that I read but I was really excited to see how this one would turn out.

I honestly can’t wait for the next book both for the relationship development and to find out more about whoever is leading Everett on this trail.
Profile Image for Youssra (semi ia).
721 reviews234 followers
January 18, 2025
4.5 stars

These two are shaping up to be in my top mm couples ever😭 They have such a raw and beautiful relationship. It's just so full of patience, understanding and acceptance I LOVE THEM AHHHHHHHHHHHHHH😩

Larkin must be protected at all costs. This man's trauma omg it brought tears to my eyes so many times. DOYLE!!! That man is HUSBAND material. The author did a wonderful job shaping and molding these two and I am so grateful🧎‍♀️🧎‍♀️

I really enjoyed the mystery/crime in this one too; it was really twisty and I didn't see anything coming. (to be honest I wasn't even trying to figure out who did it I was too busy fawning over these two🤧)

Some quotes:

You need to humble straight men every once in a while. my man Larkin was a SAVAGE😅

I think you're very attractive. Also, thank you.
Are you thanking me for being hot?
ADOPT ME PLS

You could've had the whole world. I don't want the world. I want you. 😭😭😭💗💗💗
Profile Image for Kaity.
1,982 reviews24 followers
October 4, 2023
Reread/Relisten#1: October 2023

This is like watching your favorite crime show, I can't wait to read/listen to book three!

January 2023: 4.5 stars

This series is like watching the BBC Sherlock and I am so here for it! The cliffhangers I can do without though haha.

Ira and Everett what a team, it was great to be with them solving crimes again. I will say for a romance this really is no steam involved which I think fits with the characters and the book since it’s more plot focused. I feel like I am solving the crime along with Larkin, not knowing the answers until he does.

Why does the next book have to come out in May… ugh.. I hope Kale Williams drops the audio at the same time because he embodies Larkin so well!

I can’t wait to see what happens next with these two!
Profile Image for Eugenia.
1,898 reviews319 followers
March 4, 2024
AUDIOBOOK - March 2024: Still love it & am captivated by the through line across the novels!

AUDIOBOOK January’23:
FABULOUS narration upped my enjoyment of the story and I’m giving it another star!

Original book review October ‘22:
This is a tough one to review for me: it didn’t hold my interest like other CS Poe books have.

I expected more of the past to spring up in terms of describing Victorian funereal customs. I also expected a cleaner wrap-up, one that didn’t still leave me with lingering questions about the crime and the lack of bodies.

Despite this, I enjoyed our two MCs getting closer & really dug the slow burn. I will likely listen to this when it comes out via audiobook & will continue on with the series.

I loved the first book in the series and only liked this one.

Definitely read as part of a series.

Triggers: medication abuse.
Profile Image for Alexandra.
240 reviews35 followers
February 6, 2023
“You feel like home. And I think, if someone can make me that comfortable, they must understand my language pretty well too.”


I have a prefect song for this book, it’s the Love Language by Crooked Colours :)

https://youtu.be/W92z8e1GdKI
Profile Image for Jamie.
789 reviews124 followers
September 1, 2023
Very good addition to the series! The mystery was so well done, fast paced and kept me interested the whole time. Love Larkin and Doyle and I just love how sweet and caring they are for each other.
Each book has so many names and details I’m sure I missed so I’m looking forward to rereading the whole series at some point.
On to book 3!
Profile Image for Aricka Decker.
677 reviews29 followers
September 6, 2025
“I can’t believe you made a ‘where is the clitoris’ joke,” Doyle said. Larkin put the phone to his ear a second time, saying, “It’s healthy to humble straight men now and then.”

4.75⭐️

Back with another Memento Mori book. These books are really like crack to me. I love, love, love Everett, and every single time he is in pain, upset, or sad, it makes me want to cry into my pillow. I feel so fucking much for this dude. I also feel so much for Ira, whose name I’m obsessed with. Why am I not popping out children so I can name one Ira?

This is a pretty sad and disturbing book compared to the last one. It has some really emotional beats, especially with the children/teen aspect of the victims. Plus, we get to learn how deep and hurtful this case is for Ira. We learn so much more about him, and we get to see Everett slowly but surely understand and feel things for him. Even though the first book was like a fast-paced soulmate meeting for the two of them, watching how slowly and respectfully these two are falling for each other here is beautiful. I loved this.

The mystery was mystering too. I had no idea or clue where anything was going, and I was on the edge of my seat the entire time. But the character connection and development are my favorite part of this book, and of most mystery/crime books in general. The mystery, like I said, could be a 1 on the easy scale, but if the characters carry it, it’s still a 10 to me.

I’m rooting for Everett every time because he deserves the fucking world to me, and I need and want him to be happy.
Profile Image for Ben Howard.
1,489 reviews252 followers
February 6, 2023
"Where your treasure is, there will your heart be also."
...because on Wednesday, April 1, at 4:56 p.m., Doyle had kissed him and Larkin hadn't been gray, but was instead a rainbow. His treasure made him feel like a somebody. His treasure made him feel like this was a tried-and-true partnership.
In art and investigation.
In life and Death.
In love.
Larkin's treasure was Ira Doyle.
And his heart had simply been waiting for his mind to catch up.


Subway Slayings is a beautifully written mystery romance.

The mystery revolves around photographs of dead teens, that's linked to one of Larkin's cold cases mentioned in book 1. It's dark and had my stomach turning. There's also an overarching mystery that began with book 1 and kicked this book's mystery off with the first photograph addressed to Larkin. I'm really interested in seeing how this unknown person's fixation on Larkin develops in the subsequent books.

C.S. Poe really outdoes herself on the romance side. I truly love Everett and Ira. Their relationship is complex with both of their baggage coming into play, the romance really kicks off in this book. Even simple interactions between them had my heart fluttering. The dialogue was perfect. They're so romantic; I don't know how they both weren't constantly blushing.
Profile Image for Carol.
3,763 reviews137 followers
January 12, 2023

For those that are not fans of M/M Romances will find this series on the very mild side with a great deal of emphasis on the murders and the professional levels of the two main characters. From the first book I found the capabilities of the Forensic Artist Unit to be fascinating. The characters of Everett "Evie" Larkin and Ira Doyle are so unusual from the characters of most mysteries. Everett “Evie” Larkin is an expert in the Cold Case Squad for the NYPD. His confidence and HSAM (highly superior autobiographical memory), works against him at times, and it doesn’t help that he always feels that “no one wants to know or care.” He's not great at socializing or schmoozing, and while he can be very direct, it’s never his intention to be mean. He’s in the middle of a divorce from Noah Rider. Noah has been mentally abusive, and it has destroyed their relationship. He never really accepted Evie's HSAM, nor does he try very hard. I didn't like Noah from the start. Couldn't even work up a smidgen of "sorry" for him. The HSAM gives Evie an almost flawless memory. He is doomed to always remember every tragedy of his past as well as instant recall of every date and occurrence. He's respected by his co-workers but not especially liked. That's okay with Evie...the only one he cares about "liking" him is Ira Doyle. Detective Ira Doyle is just simply a great guy. He’s got a good personality, is very friendly and likes to joke. He’s also an expert Forensic Artist. Each profile sketch is important to him and must be exact. He’s battling his own grief and guilt from the past, and there are still things that he will not speak of. He opens his home and his heart to Everett, (he's the only one that calls him "Evie) and gradually they start to build a relationship. A cold case falls in their laps that’s twenty-three years old. A young man at the time, Marco Garcia, was killed in the NY subway and the case was never solved. More unsolved subway deaths are soon showing up. way. This series is a very precise and well-plotted mystery that opens up information about a part of police work that I was completely unaware of. I can’t wait to see what is in store for the third novel, Broadway Butchery.
Profile Image for Caz.
3,270 reviews1,177 followers
December 5, 2022
I've given this an A+ at AAR - it's only the 2nd A+ I've EVER given, and yes, it really is that good!

Clever, insightful, romantic and utterly compelling, Madison Square Murders, the first book in C.S. Poe’s  Momento Mori  series, was one of my favourite books of 2021. I’ve been on tenterhooks awaiting the release of the sequel, desperately hoping that lightning would strike in the same place twice – and I’m happy to say that it did, because Subway Slayings is every bit as good as – if not even better than – its predecessor. If you like the sound of the combination of brilliant, tautly-plotted mystery and delicious slow-burn romance, this is the series for you – but while the mysteries in each book are solved, there’s an overarching plotline developing and the relationship is ongoing, so make sure to start at the beginning!

Detective Everett Larkin of the Cold Case Squad has been on medical leave to recuperate from the broken arm sustained in an attack by the ‘Death Mask Killer’ at the end of Madison Square Murders. While he was in hospital waiting for surgery, he received a packet containing an old subway token and a note, its message spelled out in cut and pasted letters (like those old blackmail notes you see in the movies!) I HAVE A BETTER MEMENTO FOR YOU. COME FIND ME.”

On the nineteenth of May, exactly fifty-nine days later (because of course, Larkin would know that) and one day before he’s due to resume active duty, Larkin is called to the Fifty-Seventh Street subway station after a decomposing body is found, stuffed in a blue IKEA tote bag, in a utility closet on the platform. He’s not sure why he’s been called when this is clearly a recent homicide, but his questions are answered when the CSU detective passes him an evidence bag containing a photograph of a teenaged girl, slumped awkwardly on one of the oak benches scattered throughout the subway system. The girl appears to be asleep – or drunk or stoned – and the photo itself looks like something that would have been developed thirty or forty years ago. The real kicker, though, is what’s scrawled across the back: “Deliver me to Detective Larkin.”

After escaping the oppressive heat and awful smells down in the tunnels, but not so easily escaping the many and relentless associations – of both his own past and of the many unsolved murders his HSAM won’t let him forget – Larkin calls in expert help in the form of Ira Doyle of the Forensic Artist Unit, who confirms Larkin’s suspicions about the age of the photo but also realises something else. The girl on the bench isn’t asleep. She’s dead. And later that evening, Larkin makes an important connection with one of the cold cases that haunts him almost more than any other, the murder, on the nineteenth of May 1997, of eighteen-year-old Marco Garcia who was pushed in front of a train… at the Fifty-Seventh Street station.

“Today is the twenty-third anniversary of Marco’s death. Once is chance. Twice is coincidence.” Larkin looked up and finished with “Three time’s a pattern.”

The mystery element of Subway Slayings is clever, meticulously researched and absolutely fascinating, but it’s disturbing, too, because as Larkin and Doyle dig deeper, their discoveries lead them to more victims, all of them from one of the most vulnerable groups in society, and to a truly despicable network of people who are only too willing to exploit them. (Please note – there is nothing graphic on page, but crimes against children and young people are central to the plot.)

At the same time as the author is building her intricate mystery, she’s also presenting us with some of the most amazing  character and relationship development I think I’ve ever read. We’ve already seen how Larkin’s HSAM (hyper superior autobiographical memory) affects him in every aspect of his life; how he can become hyper focused, how difficult it is for him to remember small, day-to-day details that cause no problem for most of us, how hard he finds social interaction, how his condition makes him an embarrassment to some (his parents and soon-to-be-ex husband) or a fascinating curiosity (his doctor) – while not one of them either cares or wants to know what it’s really like to live with a brain that can never forget or switch off. How in the eighteen years since the traumatic brain injury that caused it, nobody has ever asked if he’s okay. Nobody – until now. Until Ira Doyle.

"... in eighteen years, I’ve never been happy having HSAM. Until now. Because I don’t ever want to forget how you make me feel.”

Their romantic relationship is the slowest – and sweetest - of slow burns, but it’s absolutely perfect for who these people are and where they are in their lives. They don’t do more than kiss on the page, but their chemistry is such that it feels as steamy as a full-on sex scene, and their strong emotional connection is intense and totally believable. If ever a couple deserved the label ‘soulmates’, it’s this one. Right from the start, Doyle has recognised in Larkin something to be cherished and cared for, and the way he does both those things, his patience and simple, undemanding acceptance of Larkin and everything he is, is an utter joy to read. Doyle is one of those people whose presesnce and smile can light up a room; he’s warm and charming and funny – and very, very good at what he does, with an innate ability to put people at their ease and encourage confidences in a way Larkin can never do. There were hints in the previous book, though, that there’s a lot of grief and pain lying behind that equanimous exterior, and in this one, this finally clicks into place for Larkin, and he realises that this man he’s coming to care for a very great deal – maybe even to love - is still sometihng of a mystery to him.

For being such a decorated officer, Larkin really was a piss-poor detective when it came to understanding the one man, potentially the only man, who’d come to matter.

There is an incredibly insightful passage – too long to quote here in full – in which Larkin thinks about the way contemporary society views death, especially the death of children (Doyle lost his daughter, Abigail, some years earlier – we still don’t know what happened), how people just don’t ask, or don’t listen to those who are grieving, because they can’t handle it – and realises just how deeply Doyle’s hurt must run, that his constant activity and congenial, sunshiny demeanour are covering up a broken heart.

When they’d all turned their backs, because a child’s wake was too much to see, a father’s cries too difficult to hear, there’d been no one left to listen.

The funeral pall had been draped.

The mourning veil lowered.

And Ira Doyle had become… a mystery.


My heart broke a little, then, too. In fact, it broke a little several times while I was reading this book; I was completely and utterly floored by the degree of emotional intelligence and pinpoint insight that leaps from its pages in a way that is absolutely consistent with its characters and their situation. This isn’t authorial pontificating or info-dumping, it’s focused and woven into the very fabric of who these men are – broken, but doing the best they can in a world that doesn’t really understand them – or want to.

For all the darkness of the mystery and the exploration of grief and loss, Subway Slayings is certainly not without its lighter moments. Doyle’s gentle sense of humour, Larkin’s deadpan snark and their good-natured banter are much in evidence, and their quiet moments together – some of Larkin’s thoughts about Doyle are achingly beautiful – really are food for the heart and soul.

The Memento Mori series is shaping up to become one of my favourite series ever. The plots are clever and complex with lots of moving parts that C.S. Poe skilfully corrals into something gripping and cohesive, the two leads are damaged and intensely loveable and their evolving relationship is a thing of beauty.

Subway Slayings left me with the best kind of book hangover and goes straight on to the keeper shelf – it will undoubtedly be making an appearance on my Best of 2022 list. Book three, Broadway Butchery, is set for release in Spring 2023; I’ll be counting the days.
Profile Image for Jackbees.
233 reviews28 followers
December 14, 2024
This book is extraordinary, even better than the first and filled with many excellent quotes, though I do think that my favourite is the dedication in the audiobook which is:
“For Kale. Thank you for elevating this series to something more”, which is read by Kale Williams the excellent narrator himself. This seemed like some epic fourth wall shit to me and gave me glee.

I adore this series. If you like Charlie Adhara’s “Big Bad Wolf” and Cordelia Kingsbridge “Seven of Spades” (both good), this series absolutely throws them in the bin.

These MC’s are so incredibly excellent and so thrilling together they are without a doubt my favourite book boyfriends and I honestly can’t say which one of them I love more. Everett repeatedly uses facts with so much precision that the results are never short of savage. For example:
“A team of Australian scientists recently conducted a study on the correlation between prejudice against same sex couples and low cognitive ability. The results did indeed indicate a distinct parallel, with emphasis on this pattern being even more pronounced for verbal ability measures, which is a very scientific way of saying that you sound like an idiot and an asshole when you speak.”
Doyle has a voice like whisky, can pick locks, is the most caring cuddler and never fails to put “Evvie” at ease.

“Have you been in love.”
“Sure.”
“How’d it end.”
There was a pause before Doyle answered, “It hasn’t started.”


This quote made me squeal!! Also, the bit where Doyle tells Larkin he smells nice and Larkin is like, “don’t smell me at work” and Doyle is like “if you didn’t want me to smell you at work you wouldn’t have started putting your cologne on your neck and wrists when you used to only do your wrists.” And Larkin is sat.

There are not enough stars in the sky for these books.
Profile Image for Evie.
560 reviews299 followers
March 12, 2024
These books are just so incredibly bingeable I think I had even more fun with this one than the first one, which is a strange thing to say cause they’re pretty bleak really. There is something about these stories that remind me of chain devouring James Patterson books when I was 13, except better.

I enjoyed the added layers of complexity being added to both Everett and Ira with more of their backstories coming out. This one was definitely less flirty than book one with the focus being more on the building of an emotional intimate relationship that’s skirting the line between friendship and more.

The side characters in this one have started to shine more as well, specifically Millett, Dr Baxter and Miyamoto, and I found the humor in this to be genuinely great. Everett tearing strips off homophobic dickheads I’m sassy diatribes is just beyond perfect.

I’ll admit I still don’t love the divorce storyline and I feel like the whole thing could be removed and it would still work just as well and I would still love it. That being said there is something relatable about Everett’s journey of disappointment that comes when you realise that someone you love just doesn’t understand you anymore and you find yourself drifting apart and the complexities of coming to term with that.

I’ll be going straight on to book 3 and have already preordered book 4.
Profile Image for ʚ Aileen ɞ.
604 reviews345 followers
August 16, 2025
I liked this one a little less than the first book, mostly because I wish Larkin had put in a bit more effort for Doyle. I wouldn’t go so far as to call him selfish—I get what he’s been through and is still dealing with—but I still wish he’d shown more interest in getting to know his partner. That said, I still really enjoyed this!
Profile Image for thosemeddlingkids.
796 reviews78 followers
February 10, 2024
Reread 2024: This has the best quote ever in it (Ch 13, talking about loooove.) The relationship development between Ira & Everett is just so tender. Love their dynamic.

Along for the ride with whatever the overarching plot will unfold to be.


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Reread 2023:

Petition for more hugs in romances. Love how much nonsexual touch is used throughout this. I also just love the slow and gradual relationship growth throughout this. So quiet, so gentle, so much thoughtfulness for each lead.

So hope the third audio is coming soon!


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Why have I been sleeping on CS Poe?! This mystery series has been so interesting.

We have a slow budding friendship with some romantic intimacy, domesticity, working on trauma and pain together, opening up and growing with one another. Such tenderness and intimacy, I want to reread the scenes of the MCs at their apartment.

The mystery was also entertaining! A little wobbly at times to keep momentum going, but still entertaining. I have no clue what the overarching plot line will be, but I'm invested to wait and see.

I would have loved more time in the story after wrapping up the case, and am really enjoying the slower pace of this romance. The "have you ever been in love? It hasn't started yet" quote killed me.

And the cherry on top, this narration has been excellent. I need to check out Kale Williams' catalog, I'm hooked.

Probably more in the 4.5 star area but I'm rounding up.
Profile Image for Nelly S..
673 reviews166 followers
June 19, 2023
Reread June 19, 2023
I enjoyed it, but it’s still not as good as book 1.


I enjoyed this installment and it was nice to see the development in Larkin’s and Ira’s relationship, but their interactions didn’t quite pack the same punch as in book 1. The mystery is great though.
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