Young readers have been waiting for a while for a new book in the popular Captain Underpants series by author/illustrator Dav Pilkey. Now there's finally a new book out, and there will be another new book in January. In this recent interview, Pilkey talks about how his school struggles and how he created Captain Underpants.Children's Corner: Author Dav Pilkey's silly stories led to 'Captain Underpants' - Pittsburgh Post-Gazette