Justice League Dark, and Something is Killing the Children and celebrated artists Jorge Jimenez and Guillem March comes the landmark saga that brought Gotham to its knees and introduced the world to Punchline, Ghost-Maker, Clownhunter, and more. One epic, interwoven across two series in two volumes, begins here. Collects BATMAN #86-105, BATMAN ANNUAL #5, BATMAN 2021 ANNUAL #1, BATMAN: THE JOKER WAR ZONE #1, BATMAN: SECRET FILES #3, BATMAN: PENNYWORTH R.I.P. #1, PUNCHLINE #1, THE JOKER #1-4, and stories from BATMAN #85, BATMAN #107-111, INFINITE FRONTIER #0, THE JOKER: 80TH ANNIVERSARY 100-PAGE SUPER SPECTACULAR #1, and THE JOKER #14, and a brand-new cover and introduction by Jimenez.