Myra Gale Lewis Williams (née Brown; born July 11, 1944) is an American author, best known for her controversial marriage at the age of 13 to rock and roll musician Jerry Lee Lewis, who was her first cousin once removed and was 22 at the time. She co-wrote the book Great Balls of Fire: The Uncensored Story of Jerry Lee Lewis (1982), which was adapted into the film Great Balls of Fire! (1989). In 2016 she published her memoir, The Spark That Survived.