Ragy Girgis, MD, MS, is an associate professor of Clinical Psychiatry at the Columbia University Department of Psychiatry and New York State Psychiatric Institute. He has published 80 peer-reviewed scientific papers has also recently authored On Satan, Demons, and Psychiatry: Exploring Mental Illness in the Bible, published in 2020. Gary Brucato, PhD, is an associate research scientist in the Department of Psychiatry at Columbia University Irving Medical Center in New York City. An expert on psychosis and violence, he has published nearly 40 peer-reviewed journal articles on these topics. This is his second book. He was also the author, with Dr. Michael H. Stone, of The New Evil: Understanding the Emergence of Modern Violent Crime, published in 2019. Jeffrey A. Lieberman, MD, is the Lawrence C. Kolb Professor and Chairman of Psychiatry, Columbia University, Vagelos College of Physicians and Surgeons, and the director of the New York State Psychiatric Institute. He has published hundreds of peer reviewed journal articles, including some of the most seminal articles in the field of schizophrenia. In addition, Dr. Lieberman has written or edited 11 books on mental illness, psychopharmacology, and psychiatry.