This practical manual is based on extensive research and the collaboration of hundreds of community-based therapists. It provides step-by-step guidelines for implementing contingency management (CM)one of the most effective treatments for substance abusewith adolescents and their caregivers. Strategies are detailed for assessing substance use disorders, developing individualized cognitive and behavioral interventions, using behavioral contracts and contingencies to reinforce abstinence, and overcoming frequently encountered treatment roadblocks. Extensive sample dialogues illustrate what CM looks like in action. In a convenient large-size format, the book includes more than three dozen reproducible handouts, checklists, and forms.