In the literature of childhood loss and adult redemption City of One stands as a remarkable and powerful addition. The memoir by Francine Cournos, a professor of clinical psychiatry at Columbia University, is an eloquent, clear-eyed look at the death of both her parents by the time she was eleven. Temporarily taken in by her mother's family, Cournos and her younger sister were then sent away to live with a foster family on Long Island. Looking back...