"When racketeering gets out of control in Metropolis, the mayor appoints Clark as the new police commissioner. But with Superman needed around the world - to battle giant animals, rescue flood victims and stop a plague from spreading - how can the hero perform all of these mighty tasks while sitting behind a desk? Also, the Man of Steel's greatest foe, Lex Luthor, returns ... but capturing him won't be an easy task because the evil scientist has discovered the secrets of invisibility! Saving the world, winning the headline and protecting a secret identity? This IS a job for Superman!"--Publisher description.