The Joker wants to be moved from Arkham Asylum to Gotham State Penitentiary. But why is the Clown Prince of crime now claiming that he's sane? It's up to Batman to figure out this mad mystery before the Joker is free of Arkham...forever.
Buy Sanity Plea! by Matheny, Jones, Beatty from Australia's Online Independent Bookstore, BooksDirect.