An expanded and updated version of a classic intervention program designed to teach adolescents to understand and replace aggression and antisocial behavior with positive alternatives. The three-part training approach focuses on teaching prosocial skills, anger control, and moral reasoning. The book describes a wide range of program applications and settings. It also summarizes a number of outcome evaluation studies that demonstrate the effectiveness of the program. Appendices include over 100 pages of guidelines, checklists, moral reasoning problem situations, and more.