DC'S WORLD'S GREATEST DETECTIVE AND SERGIO BONELLI'S NIGHTMARE INVESTIGATOR UNITE!
See how the fates of Batman and Dylan Dog intertwined in the past through their lethal nemeses: The Joker, the Clown Prince of Crime of Gotham City, and Professor Xabaras, a mad genius with a taste for bringing the dead back to life!
Joker is in London to seal a hellish pact with Dylan Dog's nemesis, the Mephistophelian Xabaras! The doorbell of Craven Road No. 7 screams, and beyond the doorwa ...