-
by Pilkey, Dav, 1966-
Published 1999 -
Captain Underpants and the big bad battle of the Bionic Booger Boy part 1night of the nasty nostril nuggets the sixth epic novelBookby Pilkey, Dav, 1966-
Published 2003 -
Captain Underpants and the preposterous plight of the purple potty peoplethe eighth epic novelBookby Pilkey, Dav, 1966-
Published 2006