Book excerpt: This book describes a system of successful classroom behavior management techniques developed by the author over more than 25 years of teaching practice. It outlines the difficulties confronting teachers trying to manage students' misbehavior in schools and describes four types of student who can be helped to behave responsibly. The book explains in detail how students' behavior can be categorized and how techniques can be introduced to deal with each category, however challenging the behavior might be. It also provides a framework for a long term commitment by teachers to productive interactions with students.