The Monster Book: Creatures, Beasts and Fiends of Nature

The Monster Book: Creatures, Beasts and Fiends of Nature

The Alien Book: A Guide To Extraterrestrial Beings On Earth

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

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

Bloodline of the Gods: Unravel the Mystery of the Human Blood Type to Reveal the Aliens Among Us

The Pyramids and the Pentagon: The Government's Top Secret Pursuit of Mystical Relics, Ancient Astronauts, and Lost Civilizations

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

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

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

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

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

Time Travel: The Science and Science Fiction

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

The Martians: Evidence of Life on the Red Planet

Runaway Science: True Stories of Raging Robots and Hi-Tech Horrors

How Antigravity Built the Pyramids: The Mysterious Technology of Ancient Superstructures

Weapons of the Gods: How Ancient Alien Civilizations Almost Destroyed the Earth

The Real Men In Black: Evidence, Famous Cases, and True Stories of These Mysterious Men and Their Connection to UFO Phenomena

Memoirs of a Monster Hunter: A Five-Year Journey in Search of the Unknown