The Joker: The Man who stopped Laughing # 4

Why did The Joker cross town? To get to the bottom of the mystery that has been haunting him: Who is the man pretending to be The Joker and what does he want? But every lead he follows is a dead end, and every move he makes brings the Red Hood one step closer to him. What happens when the former Clown Prince of Crime comes face-to-face with the current crime boss of Gotham? Everyone is dying to find out.