The instructor's manual is designed for inservice training on using cognitive behavior modification with mainstreamed emotionally disturbed adolescents. The theoretical rationale and general principles are discussed, and activities to help the instructor explain the tenets are described. The importance of recordkeeping is emphasized. The second section applies a cognitive behavioral approach to disturbed adolescents in a public school setting. A self monitoring system is explained, as are procedures to teach alternative ways of behavior. A case study in which the principles were used with an aggressive 13 year old concludes the manual. (CL)