Published: May 1949
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Penciler credit verified by Sprang.
A new villain decides to create a criminal empire underwater, so the Dynamic Duo create their own weapon of offense: the Sub-Batmarine!
Penciler credit verified by Sprang and Craig Delich.
Story Featuring Slam Bradley
Story Featuring Robotman
Story Featuring The Boy Commandos
On the page between page 4 and page 5 of the previous story sequence.
Back cover.
Inside back cover.
Inside front cover.
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