"No one loves Halloween more than George Beard and Harold Hutchins. Join the two best friends and their superhero pal, Captain Underpants, in this terrifying and totally funny two-story collection! First, George and Harold go teeth-to-teeth against a ghost dentist when their spooky campfire story comes to life! Then, George and Harold have to face a terrifying T.P. mummy after their most epic prank ever goes down the drain. Can Captain Underpants flush away these vile villains so George and Harold can live to prank another day?"--Provided by publisher.