KEVIN J. O'CONNOR, PhD, is Professor and Director of the Ecosystemic Clinical Child Psychology Program at the California School of Psychology and an Instructor at the Pacific Graduate School of Psychology. He is Executive Director of the Association for Play Therapy and Editor of Play Therapy Newsletter. Dr. O'Connor maintains a private practice treating children and their families and is coeditor of the renowned Handbook of Play Therapy and the author of The Play Therapy Primer, both published by Wiley.

LISA MAGES BRAVERMAN, PhD, is a pediatric psychologist at Children's Health Care, Minneapolis, where she specializes in the treatment of children with cancer. She also maintains a private practice treating children, adolescents, and their families.