Trade paperback collecting all Joker's Asylum one-shots.
Collected are: Joker's Asylum: The Joker, Joker's Asylum: Penguin, Joker's Asylum: Poison Ivy, Joker's Asylum: Scarecrow, Joker's Asylum: Two-Face, Joker's Asylum II: The Riddler, Joker's Asylum II: Harley Quinn, Joker's Asylum II: The Mad Hatter, Joker's Asylum II: Killer Croc, and Joker's Asylum II: Clayface.
