Evil Beyond Belief: An A-Z of Heinous Crimes by Charlotte Greig and John Marlowe is a non-fiction true-crime collection examining some of the most notorious and disturbing criminals in history. Arranged alphabetically, it features profiles of serial killers, murderers and other perpetrators, including well-known figures such as Ted Bundy, Jeffrey Dahmer, Jack the Ripper and Aileen Wuornos, alongside lesser-known cases. The book provides an overview of their crimes, backgrounds and investigations, offering an unsettling look at the people behind some of the world's most infamous cases.