July-August 1951 issue no. 10 – cover art by Norman Saunders July-August 1951 issue no. 10 cover art by Norman Saunders better image than previously posted
1954 Ace Double reissue unknown cover artist 1947 Mill hardcover 1954 Ace Double release better image than previously posted released in the UK as This Was No Accident
December 1937 issue ~ cover art by H.L. Parkhurst December 1937 cover art by H.L. Parkhurst better image than previously posted
1954 Pocket edition – cover art by George Mayers 1954 Pocket cover art by George Mayers better image than previously posted
June 1932 issue ~ cover art by Joseph Doolin June 1932 cover art by Joseph Doolin [cover updated 6/8/25]
SMB Noir 