Batman: Detective Comics Vol. 4: The Wrath (The New 52)

The Caped Crusader is challenged by the mystery of the 900 in a special tale celebrating the 900th issue published of Detective Comics! Plus, Batman faces against two new foes: Emperor Penguin and the deadly vigilante known as the Wrath, a dark counterpart to the Dark Knight. Collects issues #19-24, s Annual #2.