Batman The Killing JokeA New York Times best seller Presented for the first time with stark, stunning new coloring by Bolland, Batman: The Killing Joke is Alan Moore's unforgettable meditation on the razor thin line between sanity and insanity, heroism and villainy, comedy and tragedy. According to the grinning engine of madness and mayhem known as The Joker, that's all that separates the sane from the psychotic. Freed once again from the confines of Arkham Asylum, he's out