The Extraterrestrial Encyclopedia

No experience could have a more profound impact on the entire human race than contact with an extraterrestrial intelligence or man's colonization of outer space. "The Extraterrestrial Encyclopedia" combines in one, source of the history, concepts and motivation behind man's search for extraterrestrial life. The history of this search, such as the "Ancient Astronaut Theory", is discussed along with current space probes, details of the latest technology, research and findings and plans for future missions.