Have Philippa Gregory and Ernest J. Gaines both had their works made into films?
Ernest J. Gaines: Ernest James Gaines (born January 15, 1933) is an African-American author whose works have been taught in college classrooms and translated into many languages, including French, Spanish, German, Russian and Chinese. Ernest J. Gaines:  Four of his works have been made into television movies.
i don't know