The mayor of Gotham gives an entire section of the city to criminals and the insane and Batman investigates the situation.
General Note
"Based on the video game published by Warner Bros. Interactive Entertainment and developed by Rocksteady Studios."
"Batman created by Bob Kane."
"Originally published in single magazine form in Batman: Arkham City 1-5 and online as Batman: Arkham City digital chapters 1-5"--T.p. verso.