September 1951 issue ~ cover art by George Salter September 1951 cover art by George Salter better image than previously posted
October 1957 issue ~ cover art by Frank Kelly Freas October 1957 cover art by Frank Kelly Freas better image than previously posted
1953 Pocket reissue – cover art by James Meese 1953 Pocket Books reissue, No. 985 cover art by James Meese
February 1942 issue ~ cover art by Rafael DeSoto February 1942 cover art by Rafael DeSoto better image than previously posted
1960 Monarch paperback original – cover art by Robert Maguire pseudonym of Edward A. Morris 1960 Monarch paperback original cover art by Robert Maguire better image than previously posted
2004 Telos reissue ~ original cover art by Reginald Heade 2004 Telos reissue 1953 New Fiction Press paperback original original cover art by Reginald Heade