Issue: #269 MJ
Cover by Nick Cardy."The Secret of the Eighth Superman!" written by Cary Bates, penciled by Curt Swan and inked by Murphy Anderson.
First appearances: Winchem
Creators: Julius Schwartz, Cary Bates, Curt Swan, Murphy Anderson, Nick Cardy, E. Nelson Bridwell
Characters: Superman, Morgan Edge, Steve Lombard, Winchem