You do not drown the past. You just teach it to hold its breath.

Splasher by Billie Host is a supernatural slasher set in autumn 2006, and it is the best horror novel about a swimming pool you are likely to read this year. Two students turn up dead on the first day of training at Richardson University, and Assistant Swim Coach Spencer Ward recognises the shape of it, because a decade earlier he watched something similar happen and never spoke about it. What follows is a fast, funny, chlorine soaked ghost story with a body count and a conscience.

Splasher by Billie Host: A Chlorine-Soaked Supernatural Slasher

Splasher | Billie Host | Transworld, Penguin (Penguin Random House UK) | 16 July 2026 | Paperback, 336pp, £9.99 | ISBN 9781804998380

Chlorine is the smell of being looked after. Lifeguards on high chairs, lane ropes, a whistle, a green first aid box bolted to the tiles. Every swimming pool I have ever been in was built to stop people drowning. That is the joke Billie Host constructs a whole novel on, and the joke gets darker every time you laugh at it.

Two students are found dead in the Richardson University pool on the first day of training, and from that page on Host refuses to let the water settle.

That is the trick of this book, and it is a good one. The pool is never just a pool again. Every lane rope, every tiled edge, every wet footprint on the deck turns into a threat. I read most of it with my shoulders up around my ears.

Let me set the scene, because the scene is half the pleasure. Autumn 2006. Phones still flip shut, the charts are in an awkward mood, and the fashion has aged badly for everyone involved. Spencer Ward has taken a job as Assistant Swim Coach, ten years after something went wrong during his own college days. He wants a clean season and a quiet life. He gets bodies in the water instead.

This is a supernatural slasher and Host plays it exactly like one. The dread does not creep. It arrives, then it keeps arriving. First there are two dead students that everyone else is happy to file under tragic accident. Then there are more accidents, each one worse than the last, each one built around a pool or a shower or a stretch of wet concrete. Water is the most ordinary thing in a swimmer’s life. Host makes it the most dangerous.

What surprised me was the fun. The book is funny in places, in that knowing way the best slashers earn. It never winks so hard that the scares stop working. You laugh, and then a shadow moves by the poolside and you stop laughing.

The pacing is quick. Short scenes, hard cuts, a body count that rises on a schedule you can almost feel ticking. I kept telling myself one more chapter. I lost that argument every time.

The dread has an architecture too. Host lays the threat out in the open, in daylight, in a place built for health and effort, then lets the ordinary rules of that place fail one by one. A whistle. A starting block. A backstroke flag strung across the lane. Each of these small, safe objects gets a second life as something worse. By the halfway mark I was flinching at things that had no business being frightening, and that is a hard effect to earn.

And the smell. I have to talk about the smell. Host writes chlorine so well that it soaks the whole book, a chemical tang sitting at the back of your throat like a warning you keep ignoring. That sensory grip lifts this above a simple run of set pieces.

The book stays anchored to Spencer, and that choice does a lot of quiet work. He already carries one drowning he could not stop. So every new death lands twice, once as a shock and once as a memory reopening. The horror is not only in front of him. It is behind him too.

The prose is lean and physical. Reading it is like swimming in a pool drained a foot too low, everything familiar, everything slightly wrong, your hand hitting tile where the water should be. Host writes bodies moving through water with real authority, the ache of early training, the burn of cold tiles under bare feet, the way a pool at night stops looking like sport and starts looking like a grave with the lid off. You believe these two writers know this world. The detail never feels borrowed.

The structure is a clock. Each accident escalates the last, and Host is inventive to the point of cruelty about how many ways a person can be hurt around water. I thought I had counted them all. I had not. The chapters end on a small drop in the stomach, then hand you straight to the next one.

There is craft in the tonal control most of all. Broad comedy and cold dread should fight each other. Here they take turns, and the switch between them is where a lot of the fear lives. One page you are grinning. The next you are checking the corners of the room.

Underneath the gore, this is a book about grief that nobody let speak.

Splasher is about what happens when a death gets tidied away as an accident. It is about how much easier it is for everyone involved to call a loss bad luck, dry off, and get back in the pool for the sake of the season. The dead here are not just hunting. They are demanding a hearing the living never gave them.

Spencer is the human version of the same wound. He has spent a decade trying to sink his own skeletons, and the book is smart about how that never works. You do not drown the past. You just teach it to hold its breath.

There is a queer heart to all of this, and it beats openly. The leads are queer, the love is real, and Host sets it in a mid 2000s world that did not always make room for it. That period detail does more than nostalgia. It is a reminder of how recently certain lives had to remain quiet, which echoes the book’s larger argument about voices pushed under the surface.

Competitive swimming turns out to be the perfect frame for all of it. This is a sport about discipline, about controlling the body, about hiding the effort behind a smooth surface while your lungs scream. A slasher set here is a slasher about everything we hold under and hope stays down.

Billie Host is the shared name of Morag Hannah and Erin Hardee, two writers based in Dundee who also publish historical fiction as MK Hardy. That other name matters here.

As MK Hardy they wrote The Needfire, a sapphic gothic horror that Solaris published in July 2025. It looks like a very different book on the surface. Nineteenth century Scotland. A marriage of convenience that carries Norah Mackenzie north to a cold estate called Corrain House, where the land starts talking to her. She hears the cries of drowned sailors. She smells burning thatch, the residue of the Clearances. Slow, literary, soaked in landscape.

Put the two books side by side and the same obsessions rise up. Water and drowning. The dead who will not go quiet until somebody listens. Queer love placed at the centre rather than the margin. History that refuses to stay buried where the living packed it. The Clearances haunt The Needfire the way an old campus tragedy haunts Splasher, and both books insist that a place remembers what people did in it.

If you think I am overreading that, look at what comes next. The Haunting of Avis Lovelock arrives from Solaris on 27 August 2026, five weeks after this one. It is a Victorian ghost story set aboard an ocean liner, in which a professional sceptic hired to prove the ship is not haunted begins to see water rising in her cabin and bodies on the decks. Three books, three drownings. That is a preoccupation, not a phase.

What has changed is the gear. The Needfire moves like a rising tide. Splasher moves like a riptide. Host has taken a gothic sensibility and dropped it into a fast, pulpy, blood-slicked slasher, and the obsessions survive the trip intact. That is the mark of writers who mean their themes rather than decorating with them.

We are in a strong stretch for smart, playful, character-first horror, and Splasher plants itself in the middle of it.

Grady Hendrix is the obvious neighbour, especially the Hendrix who mines older decades for real feeling rather than cheap throwback. Josh Winning’s brand of knowing, affectionate horror sits close by as well, and he liked this one enough to put his name on the cover, which tells you something about the company it keeps.

Does it subvert the genre? Not exactly, and I do not think it wants to. Splasher works inside the slasher rulebook rather than tearing it up. A cursed location, escalating kills, an authority structure that will not listen until the count gets embarrassing. What it changes is the emotional wiring underneath. Most slashers treat a body count as arithmetic. This one treats it as bereavement, and it keeps handing you the cost instead of the score. Small shift. Big effect.

What else sets it apart is the arena. Most slashers roam. This one confines. Everything circles back to one pool, one team, one deck, and that tight geography makes the water feel inescapable. Host also skips the usual teenagers and puts an adult at the centre, a man with a job and a past, which gives the grief real weight. The gore is loud and the humour is louder, but there is a heartbeat under it, and that is the part I keep thinking about.

Host has made a slasher that remembers to grieve. Read it, then try to walk past a swimming pool without listening for something under the water.

Splasher by Billie Host

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‘Nothing but a good time.’ – Stephen Graham Jones, NYT bestselling author of My Heart is a Chainsaw and I Was a Teenage Slasher

‘The perfect balance of campy fun, eerie dread, and chlorine-drenched mayhem.’ – Marcus Kliewer, NYT bestselling author of The Caretaker

Come on in, the water’s fine!

Autumn 2006. Low-rise jeans are in, grunge is out, and all Spencer Ward should be worrying about is his new job as Assistant Swim Coach at Richardson University. It’s been a decade since tragedy struck during his own college years, but Spencer is determined to sink his skeletons and focus on a winning season for his team.

Until, that is, two students are found dead in the pool on the first day of training. While everyone assumes it was a horrible accident, Spencer is overcome with an ominous sense of déjà vu.

There’s blood in the water, and not just because competition season has started. As increasingly severe freak accidents plague the students, and twisted shadows are seen by the poolside, Spencer and his swim team must work out what is hunting them before it’s too late. The pool echoes with the ghosts of the past, and they won’t rest until they are finally heard.

‘Point Horror meets It Follows in this dread-soaked supernatural slasher, which brings new meaning to the term ‘bloodbath’. Obsessed.’ – Josh Winning, author of Heads Will Roll

‘There’s no lifeguard on duty to save readers from this chlorinated gorefest. Splasher is a cursed whirlpool of horror and heart, some still bleeding, swirling about the page in brilliant arterial character arcs and pathos. ‘ – Clay McLeod Chapman, author of Wake Up and Open Your Eyes

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plasher by Billie Host: A Chlorine-Soaked Supernatural Slasher