On sale date from the publication date found in the Catalog of Copyright Entries, Part 2, Periodicals, New Series, Volume 34, 1939, Number 3. Second class permit. Copyright number 424437. Volume number not listed in the original comic indicia.
Batman uses two new weapons in this story: the Batgyro and the Baterang.
This is the first appearance of Julie Madison, introduced as Bruce's fiancée. She would show up in a few additional issues until she breaks off her engagement to Bruce in Detective Comics #49.
Storyline continues in the next issue.
Revised credits to add first name by Craig Delich (Nov. 2005). Letterer credit added by Craig Delich 2-10-09.
Story printed in red and black only.
Story printed in red and black only. Writer credit added by Craig Delich 2-10-09.