Cosmic Voyage: A Scientific Discovery of Extraterrestrials Visiting Earth
by Courtney Brown, Ph.D.
1996
Book can be downloaded free via this link http://courtneybrown.com/publications/speculativenonfictionpubs.html
Using techniques developed by the U.S. military, the author uncovers evidence that intelligent alien life exists in the universe, including refugees from an ancient, ruined civilization on Mars who now live on Earth.
