Captain Underpants and the revolting revenge of the radioactive robo-boxers : the tenth epic novel /
by Dav Pilkey.
- New York : Scholastic Inc., 2014, c2013.
- 216 p. : ill. ; 20 cm.
George and Harold are forced to contemplate a world without Captain Underpants.
Ages 7 and up.
9780545724234 (pbk.)
2012944030
Captain Underpants (Fictitious character) Superheroes Time travel Humorous stories.