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 'SUMMER READING HOTTEST NEW BOOKS' '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' 'Masterfully plotted and ingenious. One of the best books I've read this year' SUNDAY EXPRESS CAN YOU STOP A MURDER AFTER IT'S ALREADY HAPPENED? . . . THE MOST TALKED ABOUT THRILLER OF THE YEAR _________ It's every parent's nightmare. Your happy, funny, innocent son commits a terrible crime: murdering a complete stranger. You don't know w