Batman's classic late 1980s adventures continue, with the Dark Knight against Clayface, the debut of Anaraky, and the funeral of the Penguin! In 1989, Batmania ruled the world, thanks to Tim Burton's original Batman film! The Batman comics at the time were characterized by the high-stakes adventures from writer Alan Grant and artist Norm Breyfogle, who added a horror tinge to Gotham City! Batman- Dark Knight Detective Vol. 4 includes the four-part "The Mud Pack," a creepy story centered around the villainous Clayface, plus, Batman enlists the help of Etrigan, the Demon! Plus, a new vigilante named Anarky debuts, and Batman attends the funeral of...the Penguin? This volume also includes "Blood Secrets," a story co-written by comics superstar Mark Waid, with Batman taking on white supremacists. Collects Detective Comics #601-611 and Detective Comics Annual #2.