The League of Extraordinary Gentlemen is a comic book series written by Alan Moore and illustrated by Kevin O’Neill, publication of which began in 1999. The series spans two six-issue limited series and a graphic novel from the America’s Best Comics imprint of Wildstorm/DC, and a third miniseries published by Top Shelf and Knockabout Comics. According to Moore, the concept behind the series was initially a "Justice League of Victorian England" but quickly grew into an opportunity to merge several works of fiction into one world.
The League of Extraordinary Gentlemen, Volume One
The League of Extraordinary Gentlemen, Volume II
The League of Extraordinary Gentlemen: Black Dossier