A remarkable discovery found buried in an ancient Indian mound is sworn to secrecy by Abraham Lincoln. Almost two centuries later, an artifact bearing a strange symbol turns up in a long-abandoned slave tunnel beneath a present-day Ohio home. The symbol dates back to the beginning of civilized mankind and just might hold the key to unlocking Lincoln's terrible secret. Determined to unravel the mystery, Matt Hawkins investigates a series of seemingly unrelated clues-a UFO sighting in Illinois, a pictograph painted on the wall of an ancient rock-shelter, a shaman drawing from the remote Peruvian jungle. Incredibly, they all reference the same symbol. As Hawkins moves closer to the truth, he must contend with a powerful and supremely motivated adversary: a shadowy nemesis with unlimited resources. The stakes could not be higher: if Lincoln's discovery is proven real, it will undermine everything humankind believes to be true about the world.
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