'DARK AND DEVIOUS' Stephen King 'UTTERLY ENGROSSING' Daily Mail 'TWISTY AND RICHLY ATMOSPHERIC' Ruth Ware 'TIGHTLY PLOTTED AND UTTERLY GRIPPING' Sarah Pinborough 'A HAUNTING THRILLER' Women's Weekly 'TOTALLY ABSORBING' T.M. Logan 'AN UNSETTLING, LABYRINTHINE TALE' New York Times____________________________________________________________________ One twin ran. The other vanished.Neither escaped.