A stunning archaeological thriller from Douglas Preston, the New York Times bestselling co-author of Brimstone and Relic. A moon rock missing for thirty years... Five buckets of blood-soaked sand found in a New Mexico canyon... A scientist with ambition enough to kill... A monk who will redeem the world... A dark agency with a deadly mission... The greatest scientific discovery of all time... What fire bolt from the galactic dark shattered the Earth eons ago, and now hides in that remote cleft in the southwest U.S. known as Tyrannosaur Canyon? A fascinating novel from acclaimed bestselling author, hailed by Publishers Weekly as "better than Crichton."