September 10, 1922 issue ~ cover art by Edgar Franklin Wittmack September 10, 1922 cover art by Edgar Franklin Wittmack
1958 Pyramid reissue – cover art by John Floherty John Floherty Jr. (American, 1907-1977)mixed media on board, 21 x 14-1/2 inches (53.3 x 36.8 cm) 1958 Pyramid reissue 1957 Mystery House hardcover
November 1935 issue ~ cover art by Wynne W. Davies November 1935 cover art by Wynne W. Davies better image than previously posted
July 1946 issue ~ cover art by Allen Anderson July 1946 cover art by Allen Anderson better image than previously posted
1958 Ace Double paperback original – cover art by Harry Barton 1958 Ace Double paperback original cover art by Harry Barton better image than previously posted
1953 Gold Medal paperback original pseudonym of Marvin Albert 1953 Gold Medal paperback original better image than previously posted
1957 Graphic Paperback original – cover art by Walter Popp 1957 Graphic Paperback original cover art by Walter Popp January 25, 2014
July 1936 issue ~ cover art by Blaine July 1936 cover art by Blaine (Norman Saunders) better image than previously posted