(Paperback)

Geologist-adventurer Philip Mercer finds himself drilling straight into the epicenter of an age-old conspiracy when a reclusive order of Himalayan monks predicts the end of the world--and is determined to see that prediction unfold accordingly. Original.

(Paperback)

On a stormy night in 1937, the German zeppelin "Hindenburg" flies over rural New Jersey. Her appointment with destiny is still a few hours away, but death already walks her decks. A madman has traveled across the Atlantic bearing a locked safe. Within lies a secret so terrible that it may change the course of history.

(Paperback)

What was Amelia Earhart carrying on her final flight The adventure begins two thousand feet beneath the surface of the Earth.