Book excerpt: Sugar and Spice and No Longer Nice is a groundbreaking book that offers parents and teachers a primer for understanding and preventing the increasing incidents of physical violence--hazing, brutality, fighting, weapons, murder--by young girls. Written by Drs. Deborah Prothrow-Stith and Howard R. Spivak—the renowned Harvard- and Tufts-based experts on preventing youth violence—this important book offers a plan to help our daughters become strong, confident, powerful, and independent young women without being violent.