Collects Batman: Legends of the Dark Knight #65-68 and 100. Written by J.M. DeMatteis, Eddie Campell and Daren White. Art by Joe Staton, Bart Sears and Steve Mitchell. Cover by Joe Staton and Steve Mitchell. "Discover whether The Joker would become sane if Batman disappeared in this thriller! After a life-and-death struggle, The Joker seemingly kills Batman. Faced with the loss of his nemesis, the insane Joker can only retreat...into sanity."