The Encyclopedia of Serial Killers, Second Edition: A Study of the Chilling Criminal Phenomenon from the Angels of Death to the Zodiac Killer (Facts on File Crime Library)

The Big Book of Serial Killers

Serial Killers: The Method and Madness of Monsters

The Killer Book of Serial Killers: Incredible Stories, Facts and Trivia from the World of Serial Killers (The Killer Books)

Notorious Serial Killers - A Killer Trumps Card Game!

Serial Killers: Adult Coloring Book

Lady Killers: Deadly Women Throughout History

Female Serial Killers: How and Why Women Become Monsters

Criminal Psychology: The Criminal Mind of a Serial Killer (Criminal Psychology, Serial Killers, Criminal Mind, Dark Psychology,) (Volume 1)

The A to Z Encyclopedia of Serial Killers

The Crime Book: Big Ideas Simply Explained