Batman Arkham Unhinged # 20 (DC Comics 2013)
Final Issue
Bruce Wayne debates Mayor Sharp over the true purpose of Arkham City.
Meanwhile, Catwoman provides a valuable clue to the identity of the Bookbinder.
Batman may finally have his man-but will he be able to do anything about it?
Batman: Arkham Unhinged # 20 is written by Karen Traviss with art by Christian Duce and Beni Lobel and a cover by Christopher Mitten.
Batman: Arkham Unhinged # 20 is a 40 page comic book in full color.