cover art by George Gross December 1959 Bedside paperback original George Gross cover art from April 1951
1962 Ace Double paperback original 1962 Ace Double paperback original better image than previously posted paired with better image than previously posted
June 1952 issue ~ cover art by Michael McCann June 1952 cover art by Michael McCann better image than previously posted
2013 Hard Case reissue ~ cover art by Gregory Machness 2013 Hard Case cover art by Gregory Machness originally published in 1969 by World August 13, 2013