- Script:
- ?
- Pencils:
- Bob Kane (signed)
- Inks:
- Charles Paris
- Colors:
- ?
- Letters:
- ?
- Genre:
- superhero
- Characters:
- Batman [Bruce Wayne]; Robin [Dick Grayson]; Alfred Pennyworth; Commissioner James Gordon; T. Worthington Chubb (villain); Lefty (villain); Joe (villain)
- Synopsis:
- Bruce Wayne receives a special delivery letter in which the writer claims to know that he is Batman and warns him not to interfere with crimes being committed or his true identity will be revealed to the world.
- Reprints:
- Keywords:
- Bat-Signal; Batcave; Batmobile; Batplane; Utility Belt
Revised pencil credit by Craig Delich (November 2005), verified to him by Schwartz. Previous pencil credit given to Lew Schwartz.