Ancient Aliens®: The Official Companion Book

The Big Book of Cryptid Trivia: Fun Facts and Fascinating Folklore About Bigfoot, Mothman, Loch Ness Monster, the Yeti, and More Elusive Creatures

Echoes of a Haunting: A House in the Country

The Little Book of Curses and Maledictions for Everyday Use

The Source Field Investigations: The Hidden Science and Lost Civilizations Behind the 2012 Prophecies

Destination Truth: Memoirs of a Monster Hunter (2)

Intruders: The Incredible Visitations at Copley Woods

Why People Believe Weird Things: Pseudoscience, Superstition, and Other Confusions of Our Time

The Cover-Up Exposed, 1973-1991 (UFOs and the National Security State Book 2)