Dates
- Cover date
- November 2008
- In stores
- September 10, 2008
- Pages
- 36
Values
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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 ↗
Publisher’s description
The tale concludes as Batgirl finds out who sent Catwoman after Commissioner Gordon's notebook – and why! But to do so she will have to spend the night in Arkham Asylum!
Reprinted in
Batman: The Cat and the Bat (2009)