- Script
- Bill Finger
- Pencils
- Bob Kane
- Inks
- Bob Kane; Sheldon Moldoff (backgrounds)
- Letters
- ?
- Editing
- Whitney Ellsworth (original editor)
- Genre
- superhelt (superhero)
- Characters
- Lynvingen [Batman][Bruce Wayne]; Thomas Wayne; Martha Wayne
- Reprints
Page 2 + 35. Splash panel reprinted from Detective Comics #34; rest of story reprinted from Detective Comics #33.