 Since then Stone has written more than forty books with a diverse group of people, including theoretical physicist Stephen Hawking, former Yahoo!Chief Solutions Officer Tim Sanders, medical director of Canyon Ranch Resorts Mark Liponis, CNN executive vice-president Gail Evans, and TOMS Shoes founder Blake Mycoskie ("Start Something That Matters)".Stone has written many other books under his own name, including, "The Secret of People Who Never Get Sick", which has been translated into more than 30 languages; and "Little Girl Fly Away", which he co-produced as a television movie.