Sullivan, George, 1927- Mary Lou Retton : A biography / G. Sullivan - New York : Wanderer Books, Simon & Schuster, 1985. - 79 p. : ill. ; 21 cm. ISBN: 0-671-55473-5 0-671-55472-7 Subjects--Personal Names: Retton, Mary Lou, 1968- Subjects--Topical Terms: SportGymnasts.--Biography--United States