The inmates of Arkham Asylum have taken over Gotham's detention centre for the criminally insane on April Fool's Day, demanding Batman in exchange for their hostages. Accepting their demented challenge, Batman is forced to 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.
| ISBN: | 9781779504333 |
| Publication date: | 30th June 2020 |
| Author: | Grant Morrison |
| Illustrator: | Dave McKean |
| Publisher: | DC Comics |
| Format: | Paperback |
| Pagination: | 232 pages |
| Genres: |
Graphic novel / Comic book / Manga: styles / traditions |