- Script
- Ed Herron
- Pencils
- Dick Sprang
- Inks
- Charles Paris
- Colors
- ?
- Letters
- ?
- Genre
- superhero
- Characters
- Batman [Bruce Wayne]; Robin [Dick Grayson]; Firefly [Garfield Lynns]
- Synopsis
- When theatrical lighting director Garfield Lynns is prevented from staging his first robbery, he makes his escape thanks to the light given off by a firefly. Inspired, he assumes the identity of the costumed criminal, Firefly.
- Reprints
1st appearance and origin of Firefly.
- Script
- Bill Finger
- Pencils
- Bob Kane (Batman and Robin figures, signed); Lew Sayre Schwartz
- Inks
- Charles Paris
- Colors
- ?
- Letters
- ?
- Genre
- superhero
- Characters
- Batman; Robin; Paul Sloane [Two-Face]; Harvey Dent
- Synopsis
- Actor Paul Sloane is disfigured in an accident, this unhinges his mind and causes him to turn to crime as the second Two-Face.
- Reprints
The final 2 panels of page 2 and the 1st panel of page 3 have been cut and substituted with 2 newly created panels.
The original story depicted actor Paul Sloane becoming Two-Face after being scarred by a vial of acid, the version in this issue has Sloane being disfigured by an exploding Klieg light.
1st appearance of Paul Sloane, fittingly the second Two-Face.
- Script
- Bill Finger
- Pencils
- Sheldon Moldoff
- Inks
- Charles Paris
- Colors
- ?
- Letters
- ?
- Genre
- superhero
- Characters
- Batman [Bruce Wayne]; Robin [Dick Grayson]; Mirror Man [Ventris]
- Synopsis
- Ventris, a convict, escapes jail with the help of a broken mirror. He adopts the identity of the Mirror Man and sets out to uncover Batman's secret identity by using his X-Ray Mirror.
- Reprints
Page 8, panel 6 has been re-captioned to fix a minor story telling error when originally published.