Only Captain Underpants can stop the smart, fast, and wicked Wedgie Woman before she takes over the world.

George and Harold accidentally create a monster in the fifth book in this #1 New York Times bestselling series by Dav Pilkey, the author and illustrator of Dog

When Harold and George turn fourth-grade teacher Ms. Ribble into the evil Wedgie Woman, she gives the wedgie of doom to unsuspecting people who stand in her way