Dates
- Cover date
- November 2008
- Pages
- 36
Editions and covers (2)
Copies of #21 are not all the same book. Here is how to tell each one apart.
- Newsstand edition
Newsstand
A UPC barcode in the cover's corner box.
Barcode 07447031014311
Source ↗
Reprinted in
Batman: The Cat and the Bat (2009)