This is a book on Parent Management Training, as applied to the treatment of children and adolescents with oppositional, aggressive, and antisocial behavior. The book presents theory, research, and clinical issues in an integrated fashion. The first part of the book focuses on treatment and its underpinnings in research. The second part provides a therapy manual to convey what is actually done in treatment on a session by session basis. Limitations of research and obstacles in clinical application and how to surmount them are also provided.