The possible world

"A richly compelling and deeply moving novel that traces the converging lives of a young boy who witnesses a brutal murder, the doctor who tends to him, and an elderly woman guarding her long buried past. It seems like just another night shift for Lucy, an overworked ER physician in Providence, Rhode Island, until six-year-old Ben is brought in as the sole survivor from a horrifying crime scene. He's traumatized and wordless; everything he knows has been taken from him in an afternoon. It's not clear what he saw, or what he remembers. Lucy, who's grappling with a personal upheaval of her own,…