Volume number and the on sale date from the publication date found at the Catalog of Copyright Entries, Part 2, Periodicals, New Series, Volume 35, January-December 1940, Numbers 1-4. Second class permit. Copyright number 437787.
Since the Duc D'orterre appears on this cover, it is believed this cover was supposed to go with #34's story (note by Craig Delich).
Batman is shown with a gun on the splash page.
Publisher Detective Comics, Inc.
480 Lexington Ave, NY, NY
Editor Vincent Sullivan
Owners: Harry Donenfeld, P. H. Sampliner.
Writer credit added by Craig Delich 2-10-09.