Book excerpt: Catriona Lydgate is a housewife with two children and an adoring husband. But beneath the surface of her seemingly perfect life are the dark secrets of the past she's tried to forget. Disturbing postcards begin arriving in the mail; she is recognized by a man who knew her from her past -- an avalanche of small moments that will threaten everything she thought was real. When her youngest daughter falls ill with a mysterious illness, the doctors and even her husband suspect that she is deliberately making her child sick. As her marriage unravels, she comes dangerously close to the edge -- and to losing everything that she loves -- as the past she has fought so hard to bury becomes her witness and prosecutor. This is a haunting, heartbreaking novel: domestic fiction at its very finest.