In this groundbreaking, painted graphic novel, the inmates of Arkham Asylum have taken over Gotham's detention center for the criminally insane on April Fools' Day, demanding Batman in exchange for their hostages. Accepting their demented challenge, Batman is forced to live and endure the personal hells of the Joker, Scarecrow, Poison Ivy, Two-Face, and many other sworn enemies in order to save the innocents and retake the prison. During his run through this absurd gauntlet, the Dark Knight's own sanity is placed in jeopardy.
For this newest edition, each page has been restored to its original color and quality by the artist himself. Collects the original graphic novel along with a complete annotated script, sketches, pinups and more.