Hell exists.In Tibet, while guiding trekkers to a holy mountain, Ike Crockett discovers a bottomless cave. When his lover disappears, Ike pursues her into the depths of the earth....In a leper colony bordering the Kalahari Desert, a nun and linguist named Ali von Schade unearths evidence of a proto-human species and a deity called Older-than-Old....In Bosnia, Major Elias Branch crash-lands his gunship near a mass grave and is swarmed by pale cannibals terrified of light....So begins mankind's realization that the underworld is a vast geological labyrinth riddling the continents and seabeds, one inhabited by brutish creatures who resemble the devils and gargoyles of legend. With all of Hell's precious resources and territories to be won, a global race ensues. Nations, armies, religions, and industries rush to colonize and exploit the subterranean frontier.A scientific expedition is launched westward to explore beneath the Pacific Ocean floor, both to...