Long-time Faculty Member and Professor Emeritus at Alliant International University's California School of Professional Psychology (CSPP) in Sacramento Dr. John Preston, ABPP, along with John O'Neal, MD and Mary Talaga, PhD have released a new, seventh edition of the book, "Handbook of Clinical Psychopharmacology for Therapists."

The book is published by New Harbinger Publications in Oakland and, to-date, has sold 150,000 copies.