In 1967, John Gregory Dunne asked for unlimited access to the inner workings of Twentieth Century Fox. Miraculously, he got it. For one year Dunne went everywhere there was to go and talked to everyone worth talking to within the studio. He tracked every step of the creation of pictures like "Dr. Dolittle," "Planet of the Apes," and "The Boston Strangler." The result is a work of reportage that, thirty years later, may still be our most minutely observed...