One of the most beloved eras of Superman comics begins! In the Kryptonite Nevermore era, all of Earth's kryptonite has been turned into iron, effectively rendering the Man of Steel truly invulnerable. But without any weaknesses to hold him back, can Superman be trusted to not succumb to his darker impulses? Featuring stories by comics legends Dennis O'Neil, Curt Swan, and Murphy Anderson, DC Finest: Kryptonite Nevermore marks the beginning of one of the greatest chapters in comics history. Collects ACTION COMICS #393-406 and SUPERMAN #233-238, #240-246.