Rogers, B. 1947- Cracking the hard class: strategies for managing the harder than average class / Bill Rogers. - 2nd - London: Paul Chapman Pub, 2006. - x, 214p.: ill.; 24 cm. Includes bibliographical references and index. ISBN: 1412923565 Subjects--Topical Terms: Classroom management.Behavior modification. LC Class. No.: DUCE LB3013.R577