Batman Vol. 4: The War of Jokes and Riddles (Rebirth)Early in Batmans career, the Joker and the Riddler would seemingly be natural allies. But each man determined that he and he alone must be the one to kill the Bat and either would sooner burn down Gotham than be beaten to the punch line. Untold until now, one of the darkest chapters in Batmans history sees all of Gothams villains choosing sides in a battle of wits that soon turns into a full blown warcomplete with civilian casualties. In the War of