Bob has written 30 books, translated into more than a dozen languages. His books include four best-selling novels, Dead Air, Abaddon, The Senator's Agenda, and Shock Talk. His 500-page handbook, Larson's Book of Spiritual Warfare, is an encyclopedic reference about demons, the devil, and deliverance and represents a lifetime of research and experience. His 500-page classic work Larson's Book of Cults is a standard reference encyclopedia at many colleges and seminaries. His latest book is Larson's Book of World Religions and Alternative Spirituality. Other books include Straight Answers on the New Age; Satanism: the Seduction of America's Youth; In the Name of Satan; UFOs and the Alien Agenda; and Extreme Evil: Kids Killing Kids.