I have always found information on UFo's, aliens, ancient advanced civilizations etc.. quite interesting. Can anyone here point me in the direction of some good books to read. I don't care if you guys believe in this stuff or not, anything youve read that you thought was interesting. Thanks!

Anything by Alan Dean Foster (of Aliens fame) has always held me from preface to back cover.

The Archaic Revival, by Terence McKenna

UFOs: A Scientific Debate by Carl Sagan

UFO by Phillip Klass

A Demon Haunted World: Science as a Candle in the Dark, by Carl Sagan

Why People Believe in Wierd Things by Michael Shermer

How We Believe by Michael Shermer