Detective Comics, #229
Published: March 1956
Cover
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Issue Contents:
The 10,000 Secrets of Batman!
Characters
- Batman [Bruce Wayne]
- Robin [Dick Grayson]
- Mart Mathers
Credits
- Pencils: Win Mortimer
- Inks: Win Mortimer
- Letters: Ira Schnapp
Davy to the Rescue!
The 10,000 Secrets of Batman!
Storyline
When the Caped Crusaders agree to allow a TV broadcast from the Bat-Cave, Batman discovers to his horror that his microfilm files have been stolen, something that could be of tremendous value to the criminal underworld.
Characters
- Batman [Bruce Wayne]
- Robin [Dick Grayson]
- Commissioner James Gordon (cameo)
- John Creeden (villain)
- Mart Mathers (villain)
Credits
- Pencils: Dick Sprang
- Inks: Charles Paris
Story Notes
When reprinted in Batman Annual #1, this story was re-titled "Batman's Electronic Crime File."
Hot As a Firecracker!
Featuring Showcase
Featuring The Batman Whirly-Word Game
"This helps some people out!"
Characters
- Batman [Bruce Wayne]
Credits
- Script: Martin Naydel
- Pencils: Martin Naydel
- Inks: Martin Naydel
- Letters: Martin Naydel
Story Notes
puzzle
The Diamond Mine on Broadway
Characters
- Roy Raymond
- Karen
- Joshua Maddern (villain)
Credits
- Pencils: Ruben Moreira
- Inks: Ruben Moreira
"It's your move now, Lefty!"
Characters
- Casey the Cop
- Lefty
Credits
- Script: Henry Boltinoff
- Pencils: Henry Boltinoff
- Inks: Henry Boltinoff
- Letters: Henry Boltinoff
Healthy Teeth for You and Your Pet!
Characters
- Binky
Credits
- Script: Jack Schiff
- Pencils: Win Mortimer
- Inks: Win Mortimer
- Letters: Ira Schnapp
Sleuthing with Science
Credits
- Script: Jack Miller
The Phantom Bodyguard
Storyline
Drexel Mansfield is convinced his business partner is trying to kill him, but Detective John Jones discovers the truth that Drexel has been trying to frame his partner.
Characters
- Martian Manhunter [J'onn J'onzz
- aka John Jones]
- Captain Harding
- Laurence Cowan (introduction)
- Drexel Mansfield (villain, introduction)
Credits
- Script: Dave Wood (uncertain)
- Pencils: Joe Certa
- Inks: Joe Certa
- Letters: Pat Gordon
Story Notes
Writer identification by Bob Hughes.
Story Notes
Inside back cover.
Story Notes
Back cover.