1958 Horwitz paperback original
1959 US release as a Signet paperback original
cover art attributed to Barye Phillips
better image than previously posted
1961 Horwitz International Edition
cover art by Ron Lesser
1966 Signet reissue
1959 Doubleday hardcover in the US – dust jacket designed by Margot Tomes
1959 American Mercury digest – cover art by Dick Shelton
1960 Boardman hardcover in the UK – cover art by Denis McLoughlin
cover art by Harry Bennett
later Consul issue from the UK
pseudonym of Aaron Marc Stein
30th with Inspector Schmidt, head of the Manhattan Homicide Squad
1961 Collins hardcover, true first with original title – cover designed by Pino Dell-Orco
1962 Collins hardcover, 2nd printing
1962 Scribners hardcover in the US
1963 Popular Library reissue, a paperback original in the US
the back of the book gave away the author’s true name
1968 Fontana reissue – cover art by Renato Fratini
1970 Fawcett reissue – cover art by Bill Johnson
1948 Simon and Schuster hardcover
cover art by Gerald Gregg/ map by Ruth Belew
1951 Boardman hardcover from the UK – cover art by Denis McLoughlin
1955 Boardman UK softcover – cover art by Denis McLoughlin
1947 Simon and Schuster hardcover
1948 Dell mapback – cover art by Gerald Gregg, map by Ruth Belew
better image than previously posted
1950 Boardman hardcover from the UK – cover art by Denis McLoughlin
better image than previously posted
1951 Popular Library reissue
cover art by Rudolph Belarski
New York: Alfred A. Knopf, 1950. Octavo, boards. First edition. Posthumous published novel. This fix-up novel used several pulp stories which was tied together and fleshed out by Robert Leslie Bellem.
1951 Signet, first paperback reissue
cover art by Carl Bobertz
better image than previously posted
