
1954 Gold Medal paperback original
cover art by Ray Johnson


1956 Crest edition – cover art by James Meese
better image than previously posted


1958 Crest – cover art by Darcy (Ernest Chiriacka)

1961 Gold Medal reissue – cover art by Barye Phillips
better image than previously posted

undated Fawcett Gold Medal reissue – cover art by Robert McGinnis

1951 Gold Medal paperback original
cover art by Gene Widhoff
his 3rd Shell Scott novel

1951 Gold Medal paperback original
better image than previously posted

1953 Phantom release in Australia

1957 Red Seal release from the UK

1958 Gold Medal paperback original
1959 UK title Man in Motion from Cassel
better image than previously posted

1960 Gold Medal paperback original
cover art by Charles Binger
pseudonym of Robert Lee Martin
better image than previously posted

1961 Gold Medal paperback original
cover art by Darcy/Ernest Chiriacka?
better image than previously posted