BP Walter Books in Order

If you want to start at the beginning: A Version Of The Truth → Hold Your Breath
If you want the big breakout thriller first: The Dinner Guest
If you like slow-burn menace and claustrophobic settings: Hold Your Breath → The Locked Attic
If you want grief and revenge at the center: The Woman on the Pier

B.P. Walter is Barnaby Walter, a British thriller writer born and raised in Essex. As a kid and teenager, he read compulsively, which is probably the simplest way to explain why books became the center of things for him. He later studied Film and English at the University of Southampton, followed by an MA in Film & Cultural Management.

He did not come to writing from a romantic distance. He worked in bookshops from his teens, and later in social media coordination for Waterstones in London. That meant he saw the book world from the inside, both the excitement around a book that catches on and the hard truth that most books have to fight for every bit of space and attention.

The decision to take writing seriously seems to have clicked while he was at university, when he realized he wanted to write novels rather than only talk about story. A big turning point came later with the Faber Academy. Walter has said the course gave him a more practical way of thinking about fiction, and the work he developed there became the book that got published.

He likes structure.

In interviews, he has described himself as the kind of writer who needs a map before he starts, breaking a story down chapter by chapter and even picturing characters almost like a cast list for a film. That planning instinct helps explain why his books often feel carefully built even when the ground is shifting underneath the reader.

His debut, A Version Of The Truth, arrived in 2019 and set out many of his favorite moves: split timelines, uneasy social circles, old damage reaching into the present, and the quiet dread of realizing you may not know the people closest to you. Hold Your Breath followed in 2020, taking a more isolated setup with a family, a remote cottage in the woods, and memories that refuse to stay put.

Then The Dinner Guest made his audience much bigger.

That 2021 novel, set around a fatal dinner in wealthy West London, became a Waterstones Thriller of the Month and a Sunday Times bestseller. It also feels like a good example of what readers tend to like about his work: polished surfaces, private tensions, class unease, and a strong sense that one bad evening can rip open years of secrecy.

Later books such as The Woman on the Pier and The Locked Attic keep working in that same territory, but from new angles. Grief, revenge, obsession, shame, family pressure, and hidden histories all run through them. He often writes about domestic spaces that should feel safe but do not, and about characters trying to hold themselves together while the truth keeps leaking out.

These days he writes across more than one lane. As B.P. Walter, he writes psychological thrillers. As Barnaby Walter and S.G. Hartnell, he has also moved into horror and gothic fiction, which makes sense once you notice how often dread and memory sit close to the surface of his thrillers. He has spoken plainly about writing life, too, including the anxiety that can come even after publication. That honesty suits the books. They are twisty, yes, but they are also methodical, human, and clearly built by someone who loves story from the inside out.