Magicians of the Gods: Sequel to the International Bestseller Fingerprints of the Gods
Underworld: The Mysterious Origins of Civilization
America Before: The Key to Earth's Lost Civilization
Fingerprints of the Gods
The Message of the Sphinx: A Quest for the Hidden Legacy of Mankind
Magicians of the Gods: Updated and Expanded Edition - Sequel to the International Bestseller Fingerprints of the Gods
The Mars Mystery: The Secret Connection Between Earth and the Red Planet