Biography: Shauna Cross is the author of Derby Girl, named an American Library Association Best Book for Young Adults and Quick Pick for Young Adults, a YALSA Best Book for Young Adults, and a New York Public Library Book for the Teen Age. It is now a major motion picture, Whip It, directed by Drew Barrymore. Cross is a screenwriter and a member of the Los Angeles Derby Dolls roller derby league. She skates under the name “Maggie Mayhem.” She grew up in Austin, Texas, and now lives in Los Angeles.