Unlock the secrets of the most influential age of Superman's history-when kryptonite came in multiple colors, super-pets scampered across the skies and Brainiac first invaded Earth -- in The Krypton Companion, a behind-the-scenes exploration of the Man of Steel's adventures from 1958 through 1986. Writer/editor Michael Eury explores this classic comics era through all-new interviews with fan-favorite Superman writers and artists; previously...