This book provides K-12 teachers with concrete, step-by-step guidance on how to improve student behavior through positive classroom management. It explains how to take control of the classroom, offering an alternative to threats, rewards, and punishments. The book is divided into an introduction and three sections with seven chapters. The introduction examines why effective classroom management is absolutely necessary and describes the benefits of a positive, prosocial approach. Section 1, "Positive Classroom Management," includes (1) "Toward a Prosocial Classroom: Moving Beyond Rules as Reactions" and (2) "Teaching Basic Understandings: Limits and Courtesies." Section 2, "Three Key Dimensions of Positive Classroom Management," includes (3) "Setting Up a Safe and Productive Learning Environment: The Physical Dimension," (4) "Teaching So Students Stay Focused and Learn: The Instructional Dimension," and (5) "Managing a Smooth-Running Classroom: The Managerial Dimension." Section 3, "Blueprints for Success," includes (6) "Preparing Your Classroom" and (7) "Reflective Practice for Better Teaching." A resource presents a prosocial classroom management matrix. Suggested readings are included. (Contains 44 references.) (SM)