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The Trial

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2022’s biggest locked-room thriller, for fans of Alex Michaelides, T. M. Logan and JP Delaney

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SR Masters


Would you sign up to a medical trial if you didn’t know the possible side effects?


It seems like the opportunity of a lifetime. An all-inclusive luxury trip abroad, all you need to do is take a pill every day and keep a diary.

Except you don’t know anything about the drug or what its side effects might be.

The headaches start, a dull ache at first. Every day worse than the last.

Then a body is found.

Everyone is a suspect. Anyone could be a killer. Even you . . .


‘Loved The Trial by S R Masters, such a brilliant premise and the story totally lived up to it – I was desperate to know what was really going on on the island. A proper page turner’
Laura Marshall

‘One of the most enjoyable, page-turning thrillers I’ve read this year. SR Masters’ latest novel is the very definition of a white-knuckle ride.’
B P Walter

‘I LOVED The Trial! Full of twists and turns, I raced through it in two breathless sittings. Brilliant characters, a beautiful setting and sinister goings on that take you on a wild ride you won’t want to get off!’
Vanessa Savage

‘Twisted and gripping. A fantastic premise, an isolated and glamorous setting, and a truly explosive climax make for an original take on the closed-circle thriller’
Cameron Ward

‘Smart, fast and scary. For any reader, it’s an unforgettable trip’
Rachel Edwards

The Trial is an intense mystery which moves and twists all the way through and left me always off-balance, never quite knowing who did it and why as the story unfolded. Full of foreboding and vivid characters.’
James Delargy

‘Pacy, dark and highly entertaining, with a real sense of menace that grows on every page’
TM Logan