Superboy #20

THE GHOST THAT HAUNTED SMALLVILLE! Two entrepreneurs come to Smallville with a device that appears to materialize the ghosts of dead persons--including that of Jor-El, who exposes the fact that Clark Kent is Superboy. SUPERBOY'S SAFETY CODE! Superboy teaches a lesson in bicycle safety to a spoiled rich kid and foils the plans of two crooks at the same time. THE DRAGON TEETH SOLDIERS! Superboy must deal with the emergence of a legion of armored Greco-Roman soldiers who appear to spring forth from planted dragon's teeth.