Last fall, Mari Butler Abry was ... appeared on Des Moines Register: Banishing Captain Underpants: An investigation of the 3,400 books pulled in Iowa.

The children's series "Captain Underpants" has surprisingly topped the list of the most banned books in America in 2012, beating out the much more controversial title "Fifty Shades of Grey." ...

On the Books: Kelly Clarkson gives up Jane Austen's ring; Banned Books Week in full swing 'Captain Underpants' returns: Creator and potty humor maestro Dav Pilkey gives us the scoop A briefs and ...