Batman - The Killing Joke TPBs (1988,2008,2014) (digital+scans) (-derp-)

Batman: The Killing Joke is a one-shot superhero graphic novel written by English author Alan Moore and drawn by English illustrator Brian Bolland. It was first published in the United States by DC Comics in 1988 and has remained in print since. Set in the fictional U.S. city of Gotham, Batman: The Killing Joke provides an origin story for the Joker, an established comic book supervillain. It depicts him as a failed stand-up comedian who agrees to aid a gang of criminals and is thwarted by the superhero Batman before being disfigured; in doing so he is driven insane and attains his supervillain persona.

Included here is 2 scans of the Original 1988 colouring TPB, the digital Deluxe Edition, the DC Essentials excerpt issue and some variant printing covers I found.