Captain Underpants and the Terrifying Return of Tippy Tinkletrousers

Captain Underpants returns in an epic adventure that involves time travel, taking readers back to the kindergarten days of George and Harold. In this ninth novel of the series, they face a sixth-grade bully, Kipper Krupp, without the help of Captain Underpants. The story is filled with humor, outrageous events, and clever tactics by the two kindergartners to outsmart the bully.