Mark Stewart has authored more than 250 nonfiction books for the school and library market. He also has interviewed a diverse group of famous Americans in his role as a magazine writer and editor—including Arthur Ashe, Florence Griffith-Joyner, eter Max, Dr. Mehmet Oz, Big Bird (aka Carroll Spinney), Darryl "Run–DMC" McDaniels, Mike Wallace, and Brian Williams. Mark comes from a publishing family. His grandfather was Sunday Editor of The New York Times, his father ran The New York Times Book Division, and his mother was Articles Editor for Ladies Home Journal and McCall's. Mark's web site, JockBio.com, features comprehensive biographies of hundreds of athletes, and attracts more than one million readers a year. Mark graduated from Duke University with a degree in History. He serves as Board Secretary for two National Historic Sites, including the Twin Lights near his home overlooking Sandy Hook, New Jersey.