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Gods of air and darkness
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Signs of the gods?
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The space-gods revealed : a close look at the theories of Erich von Däniken
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The lost empire of Atlantis : history's greatest mystery revealed
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Atlantis : the lost city
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Atlantis of the west : the case for Britain's drowned megalithic civilization
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Atlantis
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Atlantis
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What do we know about Atlantis?
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Early humans
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Early humans
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A history of the unexplained
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American cosmic : UFOs, religion, technology
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Alien visits : extraterrestrials, UFOs, and otherworldly encounters
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Investigating UFOs and aliens : investigating extraterrestrial visitors
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Taxi from another planet : conversations with drivers about life in the universe
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What do we know about alien abduction?
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Mirage Men : How The U.S. Government Created A Myth That Took Over The World
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Women's work : the first 20,000 years : women, cloth, and society in early times
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Crash from outer space : unraveling the mystery of flying saucers, alien beings, and Roswell
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The secret history of Bigfoot : field notes on a north American monster
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The big book of mysteries
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The secret life of hidden places : concealed rooms, clandestine passageways, and the curious minds that made them
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The encyclopedia of curious rituals and superstitions : ancient and remarkable traditions that will captivate your mind
