JEREMY P. SHAPIRO, PhD, is a clinical child psychologist and an adjunct faculty member in the Psychology Department and Mandel School of Applied Social Sciences at Case Western Reserve University, where he teaches courses in child and adolescent psychology, assessment, and therapy. Dr. Shapiro's research focuses on psychotherapy processes and outcomes and treatment of aggression. He has published numerous articles and presented many professional workshops on these topics, and his violence prevention program, called Peacemakers, has been recognized by the U.S. Department of Education. ROBERT D. FRIEDBERG, PhD, ABPP, is an Associate Professor and Director of the Postdoctoral Fellowship programs at Penn State Milton Hershey Medical Center/Penn State College of Medicine. Dr. Friedberg is board certified in cognitive and behavior therapy, a Founding Fellow in the Academy of Cognitive Therapy, and a recent Extramural Scholar at the Beck Institute for Cognitive Therapy and Research. He has published four other books including Clinical Practice of Cognitive Therapy with Children and Adolescents (with J. McClure). KAREN K. BARDENSTEIN, PhD, received her doctorate from the University of Michigan. She is a Clinical Instructor in the Departments of Psychology and Psychiatry at Case Western Reserve University. She has coauthored a book on personality disorders in children and adolescents. Her practice specializes in childhood disorders, personality assessment, divorce, and custody issues, as well as psychotherapy for adults and couples.