Running from 1939 to 1953, Two Complete Detective Books promised its readers a “$4.00 value for 25 cents!” Each issue would feature two complete novels and each issue would also have two cover illustrations, the better to entice readers who wanted to read the best pulp fiction without having to pay full price.
There were 76 issues of Two Complete Detective Books. The covers below were all done by George Gross:
The covers below have not been officially credited to George Gross but they all look like his work to me. Officially, these covers were done by an “unknown artist” but I’m about 99% sure that they were probably done by Gross as well: