They Live in the Sky: Invisible Incredible UFOs Around Us

Constable's first full-length book reissued, which reveals otherwise hidden creatures and objects traversing our skies that were exposed with his groundbreaking infrared photo techniques. Also covered is a series of telepathic communications the author had developed with what was claimed to be an extraterrestrial intelligence. He abandoned this line of research in future work because much of the information received could not be fully verified, and he felt that delving into it more deeply c...