"Originally published in single magazine form in BATMAN: WHITE KNIGHT 1-8."--Title page verso.
"The impossible has happened: the Joker has become... sane. Now calling himself Gotham's newest protector, the Joker now spearheads a task force to take down the dangerous masked vigilante known as Batman. Visionary creator Sean Murphy (Punk Rock Jesus, American Vampire) unveils his radical take on the greatest rivalry in comics in Batman: White Knight! After years of epic battles, the Dark Knight finally finds a way to cure the twisted mind of his archenemy. The Clown Prince of Crime has now changed his ways, fighting for good in Gotham City, and it may just cause Batman to go over the edge of his own sanity. Writer/artist Sean Murphy takes the helm of this Batman/Joker story like no one else could, delivering an alternative examination of the relationship between the greatest rivals in the DC Universe, exploring the darkest corners of justice and madness."--Provided by publisher.