In this latest anniversary collection of tales in the "Knightfall" saga, the Clown Prince of Crime devises a crazed new scheme to destroy the Dark Knight, but what will happen when he realizes this is not the Batman he's always known? Plus, Jean-Paul Valley continues his reign as the new Batman in these stories from Detective Comics #671-675, Batman: Shadow of The Bat #24-28, Batman #505-508 and Showcase '94 #7.