- Script:
- Edmond Hamilton
- Pencils:
- Dick Sprang
- Inks:
- Charles Paris
- Colors:
- ?
- Letters:
- ?
- Genre:
- Superhero
- Characters:
- Batman; Robin; Duke Walling; Commissioner James Gordon; Lefty Lingard; Egbert Smills
- Synopsis:
- A "Batman" is known to be smuggling stolen goods into the country. Three different "Batmen" are identified, a baseball batsman, a collector of flying bats, and a potter who uses clay bats in his work - but who is the fourth "Batman"?
- Reprints: show reprint note before migration (migrated reprint links need inspection)
story edited to correct 2 minor errors from the original printing (panel 1, page 3. panel 1 page 5)
- Script:
- Bill Finger
- Pencils:
- Sheldon Moldoff
- Inks:
- Charles Paris
- Colors:
- ?
- Letters:
- ?
- Genre:
- Superhero
- Characters:
- Batman; Robin; Professor Hale; Alberto Linke; Carl Danton; Mario Nazzara; John Logan
- Synopsis:
- Head of the Mechanical Museum of Natural History, Professor Hale, is found murdered, the Caped Crimefighters must follow a series of clues that lead through the exhibits of mechanical animals.
- Reprints: show reprint note before migration (migrated reprint links need inspection)
original title: Death in Dinosaur Hall