It inspired the DC Elseworlds line and made a star out of Mike Mignola before Hellboy.
And now it's back in glorious black-and-white, as part of the Batman Noir line.
Batman Noir: Gotham By Gaslight – Brian Augustyn, Mike Mignola
Now presented in stark black-and-white pencils and inks, it's Batman vs Jack the Ripper in Victorian-era London in this[...]