Brief review to be added of Barbara Hand Clow's book “The Pleiadian Agenda” (1996) (available on Amazon USA and on Amazon UK)
Brief review to be added of Daniel Cohen's book “The Great Airship Mystery: A UFO of the 1890s” (1981) (available on Amazon USA and on Amazon UK)
Brief review to be added of Jack Cohen and Ian Stewart's book “Evolving the Alien” (2002) (available on Amazon USA and on Amazon UK)
Brief review to be added of Daniel Cohen's book “The World of UFOs” (1978) (available on Amazon USA and on Amazon UK)
Brief review to be added of Robert M Collins' book (with Richard C Doty and Timothy S Cooper) “Exempt From Disclosure" (2006) (available on Amazon USA and on Amazon UK).