Graham Hancock is the author of The Sign and the Seal, Fingerprints of the Gods, The Message of the Sphinx, Heaven's Mirror, Supernatural, and other bestselling investigations of historical mysteries.
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Now updated with a new preface by Michael Pollan and an exclusive bonus chapter. This audiobook also includes a foreword written and read by Graham Hancock, the New York Times bestselling author of America Before: The Key to Earth's Lost Civilization. ... SEE MORE