The Rand scientific expedition entered the lush wilderness of the Amazon and never returned. Years later, one of its members has stumbled out of the world's most inhospitable rainforest - a former Special Forces soldier, scarred, mutilated, terrified, and mere hours from death, who went in with one arm missing...and came out with both intact.

High in the Andes, Dr. Henry Conklin discovers a 500-year-old mummy that should not be there. While deep in the South American jungle, Conklin's nephew, Sam, stumbles upon a remarkable site nestled between two towering peaks, a place hidden from human eyes for thousands of years. Ingenious traps have been laid to ensnare the careless and unsuspecting, and wealth beyond imagining could be the reward for those with the courage to face the terrible unknown.

Cotton Malone, one-time top operative for the U.S. Justice Department, is enjoying his quiet new life as an antiquarian book dealer in Copenhagen when an unexpected call to action reawakens his hair-trigger instincts—and plunges him back into the cloak-and-dagger world he thought he’d left behind.

Carved into a moving island of ice twice the size of the United States, Ice Station Grendel has been abandoned for more than 70 years. The twisted brainchild of the finest minds of the former Soviet Union, it was designed to be inaccessible and virtually invisible. But an American undersea research vessel has inadvertently pulled too close - and something has been sighted moving inside the allegedly deserted facility, something whose survival defies every natural law.

Travel to the bottom of the earth...to a place you never dreamed existed. Beneath the ice...a hand-picked team of specialists makes its way toward the center of the world. They are not the first to venture into this magnificient subterranean labyrinth. Those they follow did not return....