DC Super Heroes Dark Knight Young Reader Graphic Novel #6 Batman Undercover

(W) Paul Weissburg (A/CA) Tim Levins. The Cosmic Obliterator, a doomsday weapon capable of destroying entire planets, has gone missing! Batman is on the case, but so far the only clue is a ticket to the Super-Villain Crime Convention. That's one place the Dark Knight can't go so he decides to attend as the mobster, Matches Malone, instead!