Captain Underpants and the Wrath of the Wicked Wedgie Woman is the fifth book in the Captain Underpants series by Dav Pilkey. It was published on August 29, 2001. It features the reformation of George and Harold's formerly cruel teacher, Ms. Ribble, at the end using the 3-D Hypno Ring (which was used to hypnotize Mr. Krupp, causing him to become...
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