Captain Underpants And The Revolting Revenge Of The Radioactive Robo-Boxers (Tenth Epic Novel)

CAPTAIN UNDERPANTS returns! When we last saw our heroes, George and Harold, they had been turned into evil zombie nerds doomed to roam a devastated, post-apocalyptic planet for all eternity. But why, you might ask, didn't the amazing Captain Underpants save the boys from this frightening fate? Because Tippy Tinkletrousers and his time-traveling hijins prevented George and Harold from creating Captain Underpants in the first place! Now, having changed the course of human history forever, they'll have to figure out a way to CHANGE IT BACK Could this be the end for Captain Underpants?

Author: Dav Pilkey 

Illustrator: Dav Pilkey 

Format: Paperback

Ages: 7 - 11 yrs