Underworld: The Mysterious Origins of Civilization
The Master Game: Unmasking the Secret Rulers of the World
War God: Nights of the Witch
Entangled
War God: Return of the Plumed Serpent
Fingerprints of the Gods
The Message of the Sphinx AKA Keeper of Genesis
Magicians of the Gods: The Forgotten Wisdom of Earth's Lost Civilization
The Mars Mystery: The Secret Connection Between Earth and the Red Planet
