This authoritative manual presents an accessible 18-step program widely used by clinicians working with challenging teens. Steps 1-9 comprise parent training strategies for managing a broad range of problem behaviors, including those linked to oppositional defiant disorder (ODD) and attention-deficit/hyperactivity disorder (ADHD). Steps 10-18 focus on teaching all family members to negotiate, communicate, and problem-solve more effectively, while facilitating adolescents' individuation and autonomy. Practical reproducible handouts and forms are included; the print book has a large-size format and lay-flat binding to facilitate photocopying. Purchasers also get access to a Web page where they can download and print the reproducible materials. New to This Edition *Incorporates 15 years of research advances and the authors' ongoing clinical experience. *Fully updated model of the nature and causes of ODD. *Revised assessment tools and recommendations. *Reflects cultural changes, such as teens' growing technology use. See also the authors' related parent guide, Your Defiant Teen, Second Edition: 10 Steps to Resolve Conflict and Rebuild Your Relationship, an ideal client recommendation. For a focus on younger children, see also Dr. Barkley's Defiant Children, Third Edition (for professionals) and Your Defiant Child, Second Edition (for parents).