Brief review to be added of Gerald Heard's book “The Riddle of the Flying Saucers” (1950) (available on Amazon USA and on Amazon UK). Also published as “Is Another World Watching?”.
Brief review to be added of Robert Heinlein's book “Stranger in a Strange Land” (1961) (available on Amazon USA and on Amazon UK).
Brief review to be added of Roger A S Hennessey's book “Worlds Without End : The Historic Search for Extraterrestrial Life” (1999) (available on Amazon USA and on Amazon UK).
Brief review to be added of Allan Hendry's book “The UFO Handbook” (1979) (available on Amazon USA and on Amazon UK)
Brief review to be added of Frank Herbert's book “Dune” (1965) (available on Amazon USA and on Amazon UK)