"Kristine S. Ervin was just eight years old when her mother, Kathy Sue Engle, was abducted from an Oklahoma mall parking lot and violently murdered in an oil field. First, there was grief. Then the desire to know: what happened to her, what she felt in her last terrible moments, and all she was before these acts of violence defined her life. In her mother's absence, Ervin tries to reconstruct a woman she can never fully grasp--from her own memory,...