- Conspiracy Theories: A Compendium of History’s Greatest Mysteries and More Recent Cover-Ups
- True Crime Stories: Shocking Tales of Real-Life Murderers, Thieves, Con Artists and Gangsters
- Cults: Coercion and Control: The World's Most Notorious Cults (And the People Who Escaped Them)
- Stories of the Occult: Supernatural Happenings and Strange Tales from Around the World
- The Little Book of Cults: A Pocket Guide to the World's Most Notorious Cults