Intrepid adventurer Dirk Pitt must unravel a historical mystery of epic importance in the latest novel in the beloved New York Times bestselling series by "the grand master of adventure" Clive Cussler.

In 1959, in Tibet, a Buddhist artifact of immense importance to was apparently lost in the turmoil of the Communist takeover But when NUMA director Dirk Pitt discovers the wreckage of a forgotten plane in the Philippine Sea decades earlier, new clues emerge as to its hidden existence from the cold, dark depths of the Pacific Ocean to dizzying heights of the Himalayas, only Dirk Pitt and his children, Summer and Dirk Jr., can unravel the mysteries that will help a religion, save a nation... and keep the world from war.