Adam's Calendar: Discovering the Oldest Man-made Structure on Earth by Johan Heine, Michael Tellinger

Adam's Calendar: Discovering the Oldest Man-made Structure on Earth

Johan Heine, Michael Tellinger

128 pages first pub 2008 (editions)

informative medium-paced
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This is the most important historical discovery since the Sphinx. 75,000 years ago...early humans built a stone calendar that predates all other man-made structures found to date. Who were they? Why did they need a calendar? "Adam's Calendar" firm...

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