1941 Morrow hardcover, his 5th with private eyes Bertha Cool and Donald Lam
1942 Dell mapback reissue – cover art by Gerald Gregg
1951 British Publishers Guild reissue
1953 Dell reissue, cover art by Fred Scotwood
better image than previously posted
1960 Dell reissue – cover art by Robert McGinnis
better image than previously posted
1963 Dell reissue – cover art by Stanley Borack
1966 Dell reissue – cover art by Robert Abbett
2022 Mysterious Press/Open Road reissue
[post updated 9/26]
SMB Noir 
