After finding Wonder Woman's diary in the future, the criminal Xotar decides to travel to the past to face the Justice League! Using the information from the diary, Xotar prepares for battle and challenges each member in turn. Will the Justice League be able to defeat Xotar's ultimate weapon?
Written By:
Gardner Fox
Pencils:
Mike Sekowsky
Inks:
Joe Giella, Bernard Sachs
Cover By:
Mike Sekowsky, Murphy Anderson
