After a nine-year hiatus, Super Diaper Baby and sidekick Diaper Dog are back ... was “created” by George Beard and Harold Hutchins, the stars of the “Captain Underpants” books.

Dav Pilkey's Captain Underpants novels began the chapterbook category in kids' fiction in 1997. The series revolves around two fourth graders, George Beard ... novels, Dog-Man from 2015, which ...