SF Encyclopedia Picture Gallery
James A Schmitz. The Lion Game (New York: DAW Books, 1973) [fixup: April, August 1965 Analog as "Goblin Night" and "Sleep No More"; plus August-September 1971 Analog as "The Lion Game": Hub: Telzey Amberdon: pb/Kelly Freas]
Image courtesy of Clute Science Fiction Library at Telluride