Matthew McKay, Ph.D., is a professor at the Wright Institute in Berkeley, CA. Inprivate practice, he specializes in the cognitive behavioral treatment of anxiety,anger, and depression. He is coauthor of The Relaxation and Stress ReductionWorkbook, Thoughts and Feelings, Self-Esteem, and other titles. Combined, hisbooks have sold more than two million copies.Patrick Fanning is a professional writer in the mental health field. He is coauthor ofMessages, Visualization for Change, Thoughts and Feelings, Self-Esteem,and other books.Patricia Zurita Ona, Psy.D., is a clinical supervisor at the Berkeley CognitiveBehavioral Therapy Clinic and the behavioral medicine training program at theWright Institute in Berkeley, CA. She provides training for graduate-level therapistswho are learning evidence-based interventions for emotional disorders.