Captain Underpants and the Terrifying Return of Tippy Tinkletrousers

About this book

CAPTAIN UNDERPANTS returns! In their ninth epic adventure, George and Harold encounter a familiar face - Professor Poopypants! He now goes by the name Tippy Tinkletrousers and it's up to George, Harold, and the amazing Captain Underpants to stop Tippy Tinkletrousers' reign of terror before it's too…