This was UFOs, BC (Before Chariots). Available to  read and download at archive dot org . Signet Books, 1968

    Dig that artsy cover! Book author John Wallace Spencer for your graduation! Available to  read and download at archive dot or...

  By the early 70s the  Chariots  aesthetic was de rigeur for paranormal publishing. This is an example of a very basic, no frills knoc...

  A Berkley Medallion Book, 1975 (original pub. 1970)

  This title is available to  read and download at archive dot org . Signet Books, 1975

  Very thorough reader on East Bloc UFO sightings! Available to  read and download at archive dot org . Bantam Books, 1974

Bantam Books, 1976