The Wheel Of Darkness: Douglas Preston and Lincoln Child

In an ancient monastery in the Himalayas the monks have guarded a mysterious and terrible treasure. Now the vault has been breached and the artefact stolen - and its power can can lay waste to the world. The holy men must turn to outsider Aloysius Pendergast, Special Agent, for help. All his experience will not prepare him for the truth of what the monks have protected.