response: 8 of them have, such as "The Chamber" and "The Rainmaker".
original_response: 9 of his books have been made into movies, including the chamber and the rainmaker.  The firm starring tom cruise was the most popular
history: Someone suggested to me that I would enjoy John Grisham books. Can you tell me a little about him? John Ray Grisham Jr is best known for writing popular legal thrillers.  Do you like those kinds of books? Im not really sure. It does sound interesting though. Does he still write? I'm not informed of that but as of 2012, he has sold over 275 million copies of his books worldwide. Wow. That is an insane amount. Have some of his books been turned into movies?
knowledge: Eight of his other novels have also been adapted into films: ''The Chamber'', ''The Client'', ''A Painted House'', ''The Pelican Brief'', ''The Rainmaker'', ''The Runaway Jury'', ''Skipping Christmas'', and ''A Time to Kill''.