The Batman & Scooby-Doo Mysteries (The Batman & Scooby-Doo Mysteries Vol. 3 #6)

BATMAN VS. MYSTERY INC. IN A SLEUTHING SHOWDOWN! Mystery Inc. loves looking for clues... so when the Huntingstun Library sets up a sleuthing competition with a huge prize, they are determined to win - Scooby snacks aren't free, after all. But every time they're about to complete a level, Batman foils them! Is he also vying for the prize? Does the Batmobile need an upgrade? Or are the teens tangled up in a master villain's master plan?