SF Encyclopedia Picture Gallery
Larry Niven. World of Ptavvs (New York: Ballantine Books, 1966) [Tales of Known Space: pb/Norman Adams]
Image courtesy of Clute Science Fiction Library at Telluride
Larry Niven. World of Ptavvs (New York: Ballantine Books, 1966) [Tales of Known Space: pb/Norman Adams]
Image courtesy of Clute Science Fiction Library at Telluride