CHARLES E. SCHAEFER, PhD, RPT-S, is Professor Emeritus of Psychology at Fairleigh Dickinson University in New Jersey. Dr. Schaefer has written or edited over fifty-five professional books, many on the topic of play therapy. He cofounded the Association for Play Therapy in 1982, which currently has over 6,000 members, and now serves as Director Emeritus for the organization.

ATHENA A. DREWES, PsyD, MA, RPT-S, is the Director of Clinical Training and the APA-Accredited Internship at Astor Services for Children & Families, a multiservice nonprofit agency in New York. She is past director of the Association for Play Therapy and serves on the editorial board of the International Journal of Play Therapy.