Gotham City Sirens (2009-) #23
By Peter Calloway & Andres Guinaldo
- Release Date: 2014-06-17
- Genre: Comics & Graphic Novels
Continuing from issue #21's shocking conclusion, the inmates of Arkham Asylum have taken over! With Harley Quinn in danger, can Catwoman and Poison Ivy put aside their tumultuous history and work together to save their friend?