Brief review to be added of Carl Sagan's book “The Demon Haunted World” (1997) (available on Amazon USA and on Amazon UK)
Brief review to be added of Carl Sagan's book “The Dragons of Eden” (1977) (available on Amazon USA and on Amazon UK)
Brief review to be added of Michael Salla's book “Exopolitics : Political Implications of the Extraterrestrial Presence” (2005) (available on Amazon USA and on Amazon UK).
Brief review to be added of “UFO's: A Scientific Debate” (1972) (available on Amazon USA and on Amazon UK) edited by Carl Sagan and Thornton Page.
Brief review to be added of Daniel M Salter's book “Life With a Cosmos Clearance” (2003) (available on Amazon USA and on Amazon UK).