Our Ancestors Came from Outer Space: A NASA Expert confirms Mankind's Extraterrestrial Origins

Using sophisticated computers, new, and previously overlooked information, and his direct experience as the NASA scientist who designed and built the Apollo communications and data-processing system, Maurice Chatelain amasses starting and convincing evidence that our ancestors came from outer space.
"A mathematical approach, as well as an archaeological overview...should prove to be considerably more durable than Erich von Daniken's Chariots of the Gods. A worthwhile contribution to serious students of the ancient mysteries, by a real scientist...." (The Dayton Daily News)