*The bestselling addiction treatment manual, fully updated: 50% new material includes eight new sessions. *Tremendous need: counselors want to apply the stages-of-change model (also known as the transtheoretical model, or TTM) in their work. *Uniquely qualified authors have decades of experience; DiClemente is the co-developer of the model. *Provides easy-to-use, flexible, highly practical materials, with a lay-flat binding. *Online resources: all handouts are available to download and print.