THE UNMISSABLE SUNDAY TIMES BESTSELLING PSYCHOLOGICAL THRILLER WITH A SHOCKING TWIST'Haunting . . . this story will stay with you' Jane Corry, author of My Husband's Wife & The Dead ExWould you risk your life to save a stranger?___________A local schoolgirl has been missing for weeks when Margot Lewis, agony aunt of the 'Dear Amy' advice column, receives a letter:Dear Amy,I've been kidnapped by a strange man.I don't know where I am. Please help me,Bethan AveryThis must be a hoax. Because Bethan Avery is another young girl, who went missing twenty years ago. As more letters arrive, Margot becomes consumed by finding the sender and - unlike the police - convinced that the girls' disappearances are connected. Solving this puzzle could save someone's life - but could it also cost Margot her own?___________'A first-rate psychological thriller.It's simply impossible to guess what's coming next' Irish Independent'Terrific - delivers suspense, twists and smart writing' Julia Heaberlin, author of Sunday Times bestselling Black-Eyed Susans 'Skilfully handled.An accomplished psychological thriller' Daily Mail