
1955 Dell reissue
cover art by William George
originally published as Five Little Pigs, 1943 Collins hardcover

1955 Dell reissue
cover art by William George
originally published as Five Little Pigs, 1943 Collins hardcover

1954 Simon and Schuster hardcover as The Content Assignment
1955 Dell paperback reissue with new title
cover art by William Rose

1957 Dell paperback original
11th with private eye Johnny Liddell
cover art by Victor Kalin

pseudonym for Aaron Marc Stein
1955 Simon and Schuster hardcover
cover art Al Brule
better image than previously posted