Batman Volume 11: The Fall and the Fallen
Tax included.
Now that Batman has escaped the Knightmares, he's starting to see the forces rallying against him--and that his father from another universe has joined the other side. The Caped Crusader finally digs into the mystery of how Thomas Wayne, a.k.a. the Flashpoint Batman, escaped the collapse of his dimension and ended up in this part of the Multiverse. Get all the answers in this new five-part story paving the way for the next big BATMAN event! Collects Batman #70-74 and Batman Secret Files #2