Have Philippa Gregory and Ernest J. Gaines both had their works made into films?
Philippa Gregory: Philippa Gregory (born 9 January 1954) is an English historical novelist who has been publishing since 1987. Philippa Gregory:  The best known of her works is "The Other Boleyn Girl" (2001), which in 2002 won the Romantic Novel of the Year Award from the Romantic Novelists' Association and has been adapted into two separate films.
i don't know