by Dav Pilkey..Captain Underpants and the big, bad battle of the Bionic Booger Boy, part 2 : the revenge of the ridiculous Robo-Boogers : the seventh epic novel /.Scholastic,,c2003..
[Dav Pilkey]..The adventures of Super Diaper Baby : the first graphic novel by George Beard and Harold Hutchins, the creators of Captain Underpants /.Scholastic,,c2002..