"Each page you turn is the turn of a screw slowly, very slowly, ramping up the tension" THEY SAY One of Sarah’s daughters died. But can she be sure which one? A terrifying psychological thriller perfect for fans of THE GIRL ON THE TRAIN. A year after one of their identical twin daughters, Lydia, dies in an accident, Angus and Sarah Moorcraft move to the tiny Scottish island Angus inherited from his grandmother, hoping to put together the pieces of their shattered lives. But w