Writer Cary Bates reveals the untold story of how super villain Kanjar Ro nearly destroyed life as we know it when he set out to conquer Earth—Earth-Prime, that is. It's up to the Justice League, Adam Strange and a very special DC legend to save the 1970s!Plus: a classic tale originally published in the 1970s!

Written By:
Cary Bates, Elliot S! Maggin
Dick Dillin, Andy Smith, Gordon Purcell
Jose Marzan Jr., Andy Smith, Frank McLaughlin
Cover By:
Andy Smith, Ernie Chan, Carlos Badilla