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Julie Fast is an expert in the field of mental health and a pioneer in the treatment of bipolar disorder and depression. After struggling for years with undiagnosed bipolar disorder, Fast was inspired to create the treatment plan that is the backbone of her many books. Some of these titles include Bipolar Happens!, Loving Someone with Bipolar Disorder, Get It Done When You're Depressed, and The Health Cards System for Bipolar Disorder. She also served as the original consultant for Claire Danes on Homeland.John D. Preston, PsyD, ABPP, is a professor of psychology with Alliant International University, Sacramento. He was also a faculty member of the UC Davis School of Medicine. Dr. Preston is the author of 15 books on psychotherapy, psychopharmacology, spirituality and emotional healing, and neurobiology, including The Complete Idiot's Guide to Managing Your Moods. He is also the author of the "Drugs in Psychiatry" chapter in The Encyclopedia Americana.