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Vampyr, Ghost, Assassin

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260 pages, Kindle Edition

Published August 28, 2026

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About the author

Kathryn Rossati

32 books11 followers
This author also writes under the pen name Kathryn Wells.

Kathryn Rossati is a neurodivergent and disabled novelist and poet. Their favourite hobbies include: country walks (despite their achy limbs and misbehaving joints), painting, and anything to do with The Legend of Zelda games. Kathryn lives on the Isle of Wight and is often found daydreaming or receiving “constructive” criticism from their boisterous parrot and chatterbox budgie.

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15 (75%)
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Displaying 1 - 17 of 17 reviews
Profile Image for Alexandra Townsend.
21 reviews
August 29, 2026
Thank you to NetGalley, The Book Guild, and the author for an eARC of Vampyr, Ghost, Assassin in exchange for my honest feedback.

I requested this book because the cover looked fun, the title and the description makeit sound like a fast passed mystery with an element of cat and mouse.

This is YA, so I’m not expecting it to be very gritty or violent. That’s fine with me though; I enjoy Young Adult works and they’re actually what got me back into reading regularly.

There were no advanced praise or blurbs that I could find, so I was really just going in based on the cover and description.

The reality is, this book is technically Young Adult but it is very Young Adult. I would say Middle Grade is more appropriate of a classification for this one.

Additionally, this was under the Horror | Sci-Fi & Fantasy | Teen & YA tags on NetGalley.

I would not say this is horror at all.

The horror tag is where I found this book, so if that were left off I likely would not have requested this title at all.

Once I realized that this was a middle grade paranormal fantasy, I adjusted my approach and expectations to be reading through the lens of “would I let my daughter read this or read it to her?”

Beyond the genre classifications being a bit misleading, this was an okay book. As a parent and a vampire fan, there are things that I did appreciate about Vampyr, Ghost, Assassin.

The Vampyrs in this book are much like Marceline the Vampire Queen in Adventure Time: they do not drink blood, they eat the color red.

Each Vampyr has their own “staple” food that gives them extra energy. Wyn, our main character, discovers that his staple is red cherry soda which is very cute. His mother’s is beet crisps and his grandparents was tomato sauce.
I always love to see the vampire myth be adapted and made their own and I think Rossati does a great job adapting to a middle grade audience.

The book also does a great job discussing topics that would be relevant to middle grade readers: puberty, becoming your own person outside of your parents and their dreams for you, and how dangerous stereotyping people who are different than you can be.

There is also a part where Wyn is apart of a fight that ends up messing up someone’s shop. He is ready to run off when the shopkeeper stops him and tells him he must help her clean up the mess.

Wyn attempts to wave her off and say “My parents will pay to have your shop cleaned up!” as his parents are wealthy council members.

The shopkeeper tells him that no, his parents aren’t the ones who made the mess and shouldn’t have to pay for his rowdiness. She then forces him to help clean up the shop.

I thought this was excellent messaging to children who think they can just have their parents fix their mistakes.

My critiques of this novel really may have to do with the fact that I am 30 years old and reading a book meant for 10-14 year olds.

I feel like the world building was not completely solid. The “rules” for the ghost not being able to be seen, heard, or travel very far from Wyn seem to be disregarded when it’s convenient.

The ending also felt a little… contrived. The villain’s motives don’t feel completely in line with the character and the reasoning is essentially “It’s my business and I’m not telling you!!”

There’s also a part that made me quite frustrated. Our human characters get really upset with Wyn, a Vampyr, for feeling that humans are dangerous and lumping them in with all humans.
Meanwhile, his parents are quite literally being tortured by humans as they are having this argument about how it’s “not fair” for him as a Vampyr to feel distrustful of all humans.

Wyn ends up apologizing to them first. It very much read as white people being upset that there are people of color who do not feel comfortable around or trust white people.

Sure, in a perfect world we are all treated fairly by the content of our character. But that’s not the way of the world and marginalized people are allowed to have misgivings about a group of people who have marginalized them for the majority of history.

This is part of the book that I would stop and have a conversation with my daughter that I think that could have been handled differently by the author.

Overall, this is a pretty solid middle grade paranormal fantasy.

I do think the marketing should be more clear about the age range for this. However, when I revisited the cover, I can see that the silhouettes are more childlike than I originally noticed. This could have been a bigger clue had I paid more attention.

I would feel comfortable with my daughter reading this and think overall, the messaging is good and handles “embarrassing” topics like puberty in an accessible, relatable way.

I think this could be enjoyable for anyone of any age hoping for a nostalgic read for a simpler time in life as well as something with lower stakes and very mild violence. As I said, these vampires do not consume blood, so the gore factor is also incredibly low.

This is also for people who may enjoy a found family trope. I found the relationships built between the characters to be heartwarming and authentic.

Also given the age range and what felt like a lack of a lot of character detail, I imagined the Gatteaux family as the vampires from the 2003 Scary Godmother Halloween movie.

Is it a catfish?

Well, sorta kinda.

When I Google the book, it does explicitly say that it is a Middle Grade Young Adult. However, that wasn’t clear to me on NetGalley.

When first writing this I wondered if there even is a middle grade tag on NetGalley. This book did not have it.

But… there is!!

So, I’m not really sure what the justification is for choosing Teen & YA for this when Middle Grade was quite literally right there.

I‘m giving Vampyr, Ghost, Assassin three stars.
I think this would be a fun read for a middle grade reader or even someone who enjoys paranormal fantasy without a lot of violence or romance.
I’m not really that person.

I feel that this one should have been sorted differently on NetGalley and honestly it probably would not have even crossed my radar. I don’t think it’s bad - I’m just not the target audience.

I really did enjoy this take on the vampire myth, though. I thought it was fun and age appropriate!

And honestly, if a book is going to be classified incorrectly, I’d rather it be classified incorrectly in this way rather than really pushing the boundary for explicit content in a YA.

Profile Image for theresia cleopatra.
201 reviews4 followers
September 18, 2026
Terima kasih NetGalley, The Book Guild dan Kathryn Rossati (sebagai penulis) untuk e-ARC nya!

Ini cocok banget untuk dibaca menjelang halloween. Buku ini bercerita tentang Wyn Gatteaux, seorang vampyr muda yang kehidupannya berubah ketika ia menemukan jasad seorang gadis manusia di kebunnya. Tapi kalian jangan berekspektasi ini vampir seperti di kebanyakan buku atau film. Vampir di dalam ini unik, mereka tidak meminum darah manusia. Vibesnya spooky dan misteri, tapi tidak semenyeramkan itu.

Terkait karakternya, sesuai dengan judulnya, terdapat 3 karakter penting, yaitu vampyr (Wyn), ghost (Sera), dan assassin (Eva). Aku suka banget dengan petualangan Wyn dan Sera. Banyak banget yang mereka lewati bersama-sama. Selain itu, bagaimana misteri mulai terkuak satu per satu cukup satisfying.

Buku ini cocok dibaca untuk pembaca muda, karena ini termasuk genre Young Adult dan Middle-grade. Pilihlah buku ini kalau mau buku spooky tapi ga serem, penuh petualangan dan fun.

----[ENG TRANSLATION]----
Thank you to NetGalley, The Book Guild, and Kathryn Rossati (the author) for the e-ARC!

This is the perfect read heading into Halloween. The book tells the story of Wyn Gatteaux, a young vampire whose life changes when he discovers the body of a human girl in her garden. But don’t expect these vampires are like the ones in most books or movies. The vampires in this story are unique—they don’t drink human blood. The vibe is spooky and mysterious, but it’s not that scary.

As for the characters, just like the title, there are three main characters: a vampire (Wyn), a ghost (Sera), and an assassin (Eva). I absolutely enjoyed Wyn and Sera’s adventures. They go through so much things. Plus, the way the mysteries start to unravel one by one is quite satisfying.

This book is perfect for young readers, as it falls under the Young Adult and Middle-Grade genres. Pick this book if you’re looking for something spooky but not too scary (full of adventure and fun).
81 reviews
Review of advance copy received from NetGalley
August 13, 2026
So this was my first NetGalley book I requested and will be reviewing! Super excited about that so, thanks to NetGalley and The Book Guild.

I chose this book because the plot seemed interesting. I mean Vampyrs and ghosts? Happy Summerween! This book centers vampyr Wyn who finds an unexpected surprise in his garden late one night: a human girl's body! The detective who turns up to investigate has it out for Vampyr kind and arrests his parents, assuming they killed the girl. The ghost of the girl, whose name is Sera, is inexplicably linked to Wyn. They journey off to find his parents, all the while being stalked by an assassin!

I did like this book. The butler, Morgan, was a nice side character. Sera, was funny and witty. Wyn while unsure of himself initially, became more confident and grew as the book continued on. I will say I didn’t realize it’d be as YA as it was. I tend to read quite a bit of fantasy, so I guess I grouped it into the kind of books I read. I think I saw Sci-Fi/Fantasy/Horror and lept, missing the YA. I do think this is a good entry into the genre for middle/high school-aged kids who should definitely NOT be reading things like ACOTAR. No cursing, no convoluted plot lines, not too much world building, or intimate scenes. My only other issue was that I expected a bigger reason for the detective to have made her whole life about hunting down non-human kind. Would totally recommend to young kids who like reading and want to dip their toe into the fantasy genre!
Profile Image for Tarnavska Oleksandra.
72 reviews2 followers
Review of advance copy
August 20, 2026
Vampyr, Ghost, Assassin by Kathryn Rossati is a fresh, fast-paced, and delightfully original urban fantasy that completely subverts classic creature-of-the-night tropes.
In this world, vampyrs are peaceful beings and blood-drinking is strictly a myth—until young vampyr Wyn Gatteaux finds a human girl's body in his garden. Framed by a detective descended from an infamous line of vampire hunters, Wyn is forced to flee toward Worldunder, a subterranean sanctuary city for non-human species. The catch? The murdered girl’s ghost, Sera, is magically tethered to his side, and a ruthless teenage assassin is hot on their trail.
What made this a 4.5-star read for me:
Clever Lore & Worldbuilding: Rossati’s subversion of classic vampire myths feels super unique, and the concept of Worldunder as a hidden sanctuary for mythic beings added fantastic atmosphere and depth to the setting.
Unlikely Alliances: The forced-proximity dynamic between Wyn and Sera’s ghost was easily my favorite part of the story. Their spectral bond creates great tension, humor, and heart as they navigate danger together.
Breakneck Pacing: Between the relentless assassin, the corrupt hunter line, and the ticking clock to sever the supernatural bond, the plot never lets up.
An atmospheric, creative, and action-packed read that will keep you turning pages late into the night. Highly recommended for fans of hidden-realm fantasies, reluctant partnerships, and fresh spins on classic supernatural creatures!'
Profile Image for Hannah Boyland.
195 reviews13 followers
Review of advance copy
August 23, 2026
⭐️⭐️⭐️⭐️

Vampyr, Ghost, Assassin was SUCH a delightful read.

The plot was so fun! I would say this was a YA paranormal fantasy. The plot felt complicated enough to be interesting, but simple enough that it was clearly a YA read.

I adored the author’s play on the classic mythical creatures that we often see in media. It felt like a very fresh take on a paranormal fantasy which I loved.

I’ve been feeling a bit burnout recently, and it’s always harder for me to read when I feel that way. But this was so easy to digest, and I feel like I really flew through reading this! This is a big reason why I love to read YA sometimes, and this didn’t disappoint there at all.

I also really appreciated the ADHD rep. The author is neurodivergent, and this really comes across in the way that Sera is portrayed. I’m always very grateful to read authentic representation, and I think because of this, I’d especially recommend this as a read for neurodivergent girls/young women, who may not feel well represented in YA books.

Overall, this is one I would really recommend! And I think I may now have to check out Naturally Nic/k 👀
Profile Image for Sarah.
213 reviews1 follower
Review of advance copy
August 17, 2026
I was attracted to this book as I love books featuring vampires, ghosts and anything fantasy/witchy.
The book is YA and I would say best suited to around 10-14. It would be ideal for readers of that age group wanting a light fantasy read.
There is no real violence, s*x or anything inappropriate for younger readers.
The vampire, Wyn is fuelled by cherry soda not blood which I thought was such a fun interesting twist that would amuse younger readers.
Wyn's parents are arrested by Detective Vanell ( who has vendetta against vampires ) after the body of a human girl is found in their garden.
He then ventures to the Worldunder in search of his Aunt to help him, the ghost of the girl joins him and a teen assassin comes after them.
It's a really fast paced easy to read and fun mystery. I liked the main characters and some of the lesser characters such as the bats and the ghost butler.
I would recommend to younger readers looking for something a little bit different and as an entry fantasy read.
Profile Image for Helen.
522 reviews23 followers
Review of advance copy received from Publisher
August 26, 2026
I was kindly sent a free copy of this book as part of a book tour in exchange for an honest review. I am not the intended readership for this book as it is aimed at older children/young teens but I still thoroughly enjoyed it. The plot is well paced and there is a lot of twists to unravel and yet it still manages to maintain a fun and cozy vibe to it. Our main protagonist Wyn was very likeable, although a little bit too soft at times and I loved the sassy Sera. She was definitely my favourite character and also came across as neurodivergent which was great to see that being represented too. The dynamic between them is great and it was nice that the author didn’t feel the need to make it a romantic connection - that was quite refreshing as well. The writing is clear and really easy to get into and there is a great atmosphere to the world which had a subtle, gothic vibe. The humour felt a little bit too juvenile at times but apart from that I really loved this book and thought it was an interesting take on the traditional Vampyr lore. 4 stars.
143 reviews7 followers
Review of advance copy received from Author
August 11, 2026
Can defo see my 12 year old daughter also loving this book! So have passed it onto her to read ✨️

When Wyns parents are arrested for a crime they didn't commit Wyn tries to reach his aunt Hyllda and work out if he can do anything he can to make sure he and his family are free! But let's not forget that the girl found in his basement is also now a ghost that is often by his side! But dective Vernall has it in for his family!

Let's not forget there's an assasin on his tail too! And they have some Sass! Not as much as Sera though!

Sera you can't help but love her! From the moment she appears "besides, what's the boo-hooing? I'm the one who's dead, aren't I? At least he still has a pulse!"

Also when you learn the reason for Vanells vendetta against Aunt Hyllda!

I have a soft spot for Morgan the Butler bless him!

And that ending! Such a brilliant way to end it and tie it all up!
Profile Image for Noctis.
5 reviews
August 28, 2026
When young master Wyn's parents are arrested falsely for a crime they didn't commit, he's left alone in his house with an unexpected ghostly companion. What an exciting premise!

I loved this book from start to finish, it was a really enjoyable read. It was a little simple, but definitely perfect for the 11-14 age range, I think. Kids should be reading this over some of the content that is currently being pushed towards them, at the very least. I really enjoyed the companions that followed along Wyn in his journey to find his aunt and release his family members, and the ending tied it all together in a very satisfying way.

That being said, I do wish that the book went into a little more depth on certain plot points, though this isn't a failing of the book, just indicative of the audience the book is intended for.
493 reviews16 followers
Review of advance copy received from Publisher
August 17, 2026
This is not my usual genre of book but I really enjoyed this young adult read. Vampyr Wyn Gatteaux (a great surname!) finds a human girl dead in the garden of his home. His parents are arrested for the girl’s death and, despite being trapped, Wyn is determined to free them and clear their name, seeking the help of his aunt. In the meantime Sera, the dead girl’s ghost, appears to Wyn. It’s busy in and around Worldunder! There were never books like this when I was a young adult. What skill by the author to write such a fun, fast paced vampyr adventure. It would make a great read together or read alone book depending on the young readers age. Best read at night with some spooky lighting and dark corners reminiscent of the hidden city of Worldunder!
Profile Image for David.
265 reviews18 followers
August 19, 2026
This is a young adult novel, 292 pages long, and a brilliant adventure. It follows Wyn Gatteaux, a young Vampyr who finds the body of a girl in his garden and that’s where the adventure begins.

Wyn is growing into his body, and throughout the story you learn about his new abilities and how he deals with the changes he’s going through.

The main characters in this story are fantastic: from the ghost of the dead girl who follows him everywhere (I found her funny and sassy), to assassins, ghosts, Vampyrs, and a poor butler who gets his fair share of woe.

If you love a great YA adventure, you can’t go wrong with this story: it’s well paced, full of excitement, and builds to a brilliant ending.
66 reviews3 followers
Review of advance copy received from Publisher
August 19, 2026
I really enjoyed Vampyr Ghost Assassin!

There’s something about this book that feels both cozy and mysterious at the same time, and I absolutely loved that combination.

Wyn and Sera were definitely my favourite part of the story. I loved their dynamic and getting to see their relationship develop throughout the book. They make such a great little duo! 🥹

And I know we’re not supposed to judge a book by its cover… but honestly, -look at that cover!- 😍 I loved it so much and it definitely caught my attention straight away.

The writing was another thing I really enjoyed. It’s fluid, clear, and easy to follow, which made the story really easy to get into.

Overall, this was such a fun and atmospheric read, and I’m so glad I got the chance to read it.
47 reviews
Review of advance copy received from NetGalley
August 12, 2026
From The Catchy Title, I Know That This Story Was Going To Be For Me. The Plot Was Very Enjoyable And The Characters Fab. The Story Flowed Really Well, So Felt Quite Fast Paced And I Felt The Mystery Element Worked Well. The Story Was Quite Funny In Places ( A Vampyr Fuelled By Cherry Soda Was Epic). I Wasn't Expecting That Ending But Felt It Fitted The Story Nicely. Wyn And Sera Were Brilliant Characters But I Loved The Inclusion Of Morgan The Ghost-Butler And Pip & Essie The Post Bats The Best. I Think younger Teens Would Really Enjoy This Book.

Thanks To NetGalley And The Publisher For The ARC.
Profile Image for Helena.
176 reviews5 followers
Review of advance copy received from Publisher
August 20, 2026
‘Vampyr, Ghost, Assassin’ was such a fun enjoyable read for me! There were a lot of spooky vibes but it was also an adorable read! The characters were really likeable and unique. I loved the bond they have formed and I really admired how focused and smart Wyn was and the friendship Wyn, Sera and Eva formed and of course I absolutely loved the pet bats!

It’s like a mystery solving read and it kept me fully engaged and I found it hard to put the book down. It’s middle grade but it’s perfect for all ages!

This is definitely the ideal spooky season read, add this to your TBR Halloween lovers!
Profile Image for Charlie_Bharlie.
185 reviews1 follower
September 20, 2026
*thank you to NetGalley for giving me access*
3 stars
This book is marketed as teens&ya but I would say it is more aimed at middle grade. The description of the book sounded fun, but unfortunately the story felt a bit slow and I have quite a lot of questions about the world. The ending also wrapped up really quickly and in a bit of a simple way, but that might also be because of it's middle grade feeling
54 reviews
Review of advance copy received from NetGalley
August 7, 2026
Vampyr, Ghost, Assassin had a fun premise and some interesting supernatural ideas, but ultimately I think it was aimed at a younger audience than I expected. Some of the dialogue and humor felt a bit too young for my taste, which made it harder for me to fully get invested in the story. I can definitely see younger readers having a lot more fun with this one, but it just wasn't quite for me.
Profile Image for Eilis Dunne.
181 reviews8 followers
Review of advance copy received from Publisher
August 25, 2026
I loved this, it was such a fun and unique adventure. The world building was great and made me want a ghost to inhabit my house!
Displaying 1 - 17 of 17 reviews