Superman (Salkind films) adopted a high protein diet. He added of muscle to his thin frame. He later made even higher gains for "Superman III" (1983), though for "" (1987), he decided it would be healthier to focus more on cardiovascular workouts. One of the reasons Reeve could not work out as much for "" was an emergency appendectomy he had in June 1986. Reeve was never a Superman or comic book fan, though he had watched "Adventures of Superman" starring George Reeves. Reeve found the role offered a suitable challenge because it was a dual role. He said, "there must be some
Superman: Last Son of Krypton Superman: Last Son of Krypton Superman: Last Son of Krypton is a novel written by Elliot S. Maggin and based on the DC Comics character Superman. It was published in 1978. The novel was published as a tie-in to the release of "Superman: The Movie", with an image of Christopher Reeve on the cover and (in its original edition) a section of photographs from the film. The novel is not, however, a novelization of the film, and in fact diverges from the film story. "Last Son of Krypton" is Elliot S. Maggin's first Superman novel. It tells the "life story"