Secret History: Conspiracies from Ancient Aliens to the New World Order

Marvels & Mysteries of the Unexplained: An Imagination-Defying Exploration of our World's Strangest Secrets: An Imagination-Defying Exploration of our World's Strangest Secrets

Religion and the Marketplace in the United States

Keep Out!: Top Secret Places Governments Don't Want You to Know About

Mysterious America: The Ultimate Guide to the Nation's Weirdest Wonders, Strangest Spots, and Creepiest Creatures

The New World Order Book

Sight Unseen: Science, UFO Invisibility, and Transgenic Beings

Immortality of the Gods: Legends, Mysteries, and the Alien Connection to Eternal Life

UFOs, ETs, and Alien Abductions: A Scientist Looks at the Evidence

Close Encounters of the Fatal Kind: Suspicious Deaths, Mysterious Murders, and Bizarre Disappearances in UFO History

Real Aliens, Space Beings, and Creatures from Other Worlds

A Covert Agenda: The British Government's UFO Top Secrets Exposed

The Extraterrestrial Answer Book: UFOs, Alien Abductions, and the Coming ET Presence

Body Snatchers in the Desert: The Horrible Truth at the Heart of the Roswell Story

We've Never Been Alone: A History of Extraterrestrial Intervention

The Monster Book: Creatures, Beasts and Fiends of Nature

The UFO Files: The Canadian Connection Exposed

Three Men Seeking Monsters: Six Weeks in Pursuit of Werewolves, Lake Monsters, Giant Cats, Ghostly Devil Dogs, and Ape-Men

Alien Encounters

The Bigfoot Book: The Encyclopedia of Sasquatch, Yeti and Cryptid Primates