Very Good with no dust jacket; Edgewear, creases in spine. ; An account of the archaeological findings and literary evidence pointing to the existence of extraterrestrial beings on earth in prehistoric times.; Mass Market PB; B&W Illustrations; 248 pages View More...
Very Good in Very Good dust jacket; Explores the assertion that there are intelligent nonhuman life forms trying to communicate with earthlings and to send word of the unexplored potential of our planet ; 256 pages View More...
