John D PrestonJohn Preston, PsyD, is a board certified psychologist and the author of ten books including Survivors, You Can Beat Depression, Integrative Brief Therapy, and Life is Hard (audio). He is on the faculty of Alliant Unversity and the University of California, Davis, Medical School. He is the recipient of the Mental Health Association's President's Award for contributions to the mental health community. Dr. Preston has lectured widely in North America and abroad. Read More Read Less