Amazon.com:
Author and award-winning journalist Jim Marrs has uncovered compelling new evidence regarding extraterrestrials -- that alien life forms have not only visited our planet in the past, but are among us right now. Drawing on numerous eyewitness accounts, highly classified CIA reports, and his own meticulous research, Marrs marshals an impressive array of facts to confirm the reality of UFOs -- as well as the depth of the government campaign to keep America in the dark. Here is information unavailable in any other single source.