Kat and Lock

SUNDAY TIMES BESTSELLER Two detectives: one human, one AI. And a case that will test them both. “Wildly original, heartfelt, funny, and properly thrilling, this is the kind of fresh and fearless debut I just adore.”—Chris Whitaker, author of All the Colors of the Dark, a Read with...

THE SUNDAY TIMES bestseller, as seen on BBC 2's BETWEEN THE COVERS A WATERSTONES THRILLER BOOK OF THE MONTH *WINNER* OF THE THEAKSTON OLD PECULIER CRIME NOVEL OF THE YEAR 2024 *WINNER* OF THE CRIME WRITERS' ASSOCIATION ILP JOHN CREASEY (NEW BLOOD) DAGGER 2024 AND NOMINATED FOR TWO OTHER MAJOR...

FROM THE AUTHOR OF THE SUNDAY TIMES BESTSELLER IN THE BLINK OF AN EYE Winner of the Theakston Old Peculier Crime Novel of the Year 2024 Winner of the Crime Writers’ Association ILP John Creasey (New Blood) Dagger 2024 One detective driven by instinct, the other by logic. It will take both to...

From the bestselling author of In the Blink of an Eye comes an inventive thriller that pits algorithms against experience, logic against instinct, and one undetectable killer against two extraordinary detectives. “Unswervingly gripping and scary, and at the same time beautifully tender and...

Pre-order BODY OF LIES, the brand-new thriller in the Kat and Lock series, coming Spring 2026. THE TRUTH WILL ALWAYS COME OUT – BUT AT WHAT COST? Fresh from successfully closing their first live case, the Future Policing Unit are called in to investigate when a headless, handless body is found...

The brand-new thriller featuring DCS Kat Frank and AIDE Lock, from the award-winning Sunday Times bestselling author of In the Blink of an Eye. Human suspicion. AI manipulation. When truth can be rewritten, who can you trust? DCS Kat Frank is back at the Future Policing Unit after a devastating...