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