I'll Be the Monster

'The White Lotus meets My Sister, the Serial Killer: I’ll Be The Monster is a menacingly funny, daring debut that deserves a spot at the top of every 2026 TBR pile. With humour so biting and unease this sun soaked, this brilliantly vile pager turner cements Sean Gilbert as a bold new voice in literary fiction' Lucy Rose, author of The Lamb

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A homicidal couple embarks on a luxury holiday to save their marriage.

After years of secrets and self-restraint, they’ve reached breaking point. But three days into the trip, they run into Benny, an acquaintance from their Cambridge days. And Benny is desperate to reminisce about a time – and a person – they would rather forget.

Darkly funny and razor-sharp, I’ll Be The Monster follows a dangerous game of cat and mouse as it plays out under the stifling heat of the Mediterranean sun. From a major new talent in literary fiction, this gripping debut is a love story about the worst people you know – and of what happens when a change of heart occurs too late.