Amazonia

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. Unable to comprehend this inexplicable event, the government sends Nathan Rand into this impenetrable secret world of undreamed-of perils to follow...