The incredible crossover events between the Justice League of America and the Justice Society of America that launched the DC Multiverse as we know it! This second of three volumes collects stories from Justice League of America #91-92, 100-102, 107-108, 113, 123-124, 135-137, 147-148, and 159-160.

Written By:
Len Wein, Cary Bates, Mike Friedrich, Elliot S! Maggin
Dick Dillin
Dick Giordano, Joe Giella, Frank McLaughlin
Cover By:
Neal Adams, Dick Giordano, Dick Dillin, Nick Cardy, Jack Abel, Tatjana Wood, Frank McLaughlin, Ernie Chan, Sean T. Collins, Richard J. Buckler, Gaspar Saladino, Sr.