The breakthrough book that was immediately recognized as a work of monumental importance when it first introduced the theory that ancient earth had established contact with aliens.This world-famous bestseller endures as proof that Earth has been visited repeatedly by advanced aliens from other worlds. Erich von Däniken examines ancient ruins, lost cities, space-ports, and a myriad of hard scientific facts that point to extraterrestrial intervention in human history. Most incredible of all, however, is von Däniken's theory that we ourselves are descendants of these galactic pioneers—and the archeological finds that prove it: Sophisticated batteries found in Bronze Age cities An alien astronaut preserved in a pyramid Thousand-year-old spaceflight navigation charts Computer astronomy from Incan and Egyptian ruins A map of the land beneath the ice cap of Antarctica A giant spaceport discovered in the Andes