The last time we saw George and Harold in Captain Underpants and the Terrifying Re-Turn of Tippy Tinkletrousers they had squashed dastardly Tippy Tinkletrousers as zombie nerds. However, due to Tippy's time-traveling tricks, the reader is told that the events of the book had never happened, Captain Underpants was never created, and worst of all, there would be no more Captain Underpants books!!
Well, have no fear, our heroes find their way out and manage to change history back, so that Captain Underpants exists again in.....
Captain Underpants and the Revolting Revenge of the Radioactive Robo-boxers by Dav Pilkey
Place your hold now and find out how George and Harold change the course of history!
While you're waiting try one of Dav Pilkey's other books, like:
Dogzilla
Or, Kat Kong