In this classic book on UFOs, bestselling author Colin Wilson, a renowned authority on the paranormal, examines the evidence and develops a definitive theory of the alien contact phenomenon. Alien Dawn covers Wilson's investigation into documented evidence of strange and unexplained phenomena, including UFOs, poltergeists, ancient folklore, time slips, out-of-body experiences, mystical awareness, and psychic travel to other worlds. The result: a fascinating and encyclopedic study of the complex nature of reality. This is one of the most comprehensive explorations of the subject undertaken, with conclusions sure to shock the reader, whether believer or skeptic. Features a new introduction by the author.