THE SUNDAY TIMES THRILLER OF THE YEAR’Perfection, every word, every moment. One of the best books I’ve ever read’ LISA JEWELL’Wow. Amazing! Loved every page . . . If you are looking for a summer read, I’ve found it!’ HOLLY WILLOUGHBY’Page-turning time-loop thriller . . . An intelligent puzzle full of heart and good sense’ GUARDIAN’A mind-bending page-turning thriller. Non-stop thrills right from the start. A rare gem’ STEVE WRIGHT, RADIO 2 BOOK CLUB’A spellbinding “whydunnit”. A novel with a difference’ SUNDAY TIMES’Skilful, satisfying. Couldn’t put it down. Don’t miss it!’ OBSERVER, ‘THRILLER OF THE MONTH’CAN YOU STOP A MURDER AFTER IT’S ALREADY HAPPENED? . . . DISCOVER THE MOST TALKED ABOUT THRILLER OF THE YEAR_________It’s late. You’re waiting up for your son. Then you spot him: he’s with someone. And – you can’t believe what you see – your funny, happy teenage boy stabs this stranger. You don’t know who. You don’t know why. You only know your