In this prequel to one of DC Comics' biggest hits, the first four team-ups between the Justice League of America and its Earth-Two counterpart, the Justice Society, are collected in this graphic novel, depicting their battles against cosmic, all-powerful
Written by Gardner Fox and Dennis O'Neil; Art by Mike Sekowsky, Sid Greene, Dick Dillin and Joe Giella; Painted Cover by Jerry Ordway Four more summer meetings between the legendary Justice League of America and Justice Society of America are collected in
