Dr. Greg Little is author or coauthor of over 60 books. He is coauthor of all MRT—Moral Reconation Therapy® workbooks, which have had over 4 million participants. He is a Nationally Certified Psychologist (retired) specializing in criminal psychology and a certified Life Coach. Dr. Little has authored textbooks in psychopharmacology, personality disorders, counseling, crisis intervention, obesity, and other areas of counseling. Little has been featured on 15 documentaries presented on NBC, The History Channel, History International, Discovery, The Learning Channel, BBC, The Weather Channel, MSNBC, Discovery Kids, and the National Geographic Channel, and has been a guest on over 300 radio shows.