"This [book] endures as proof that Earth has been visited repeatedly by advanced aliens from other worlds. [The author] examines ancient ruins, lost cities, spaceports, and a myriad of hard scientific facts that point to extraterrestrial intervention in human history. Most incredible of all, however, is [the author's] theory that we ourselves are the descendants of these galactic pioneers - and the archaeological finds that prove it"--Back cover.

"A special edition ... with a new introduction by the author"--Cover.

Are there intelligent beings in the cosmos? -- When our spaceship landed on Earth ... -- The improbable world of the unexplained -- Was God an astronaut? -- Fiery chariots from the heavens -- Ancient imagination and legends, or ancient facts? -- Ancient marvels or space travel centers? -- Easter Island -- land of the Bird Men -- The mysteries of South America and other oddities -- The Earth's experience of space -- The search for direct communication -- Tomorrow.