Written by Len Wein, Cary Bates, E. Nelson Bridwell, Paul Levitz, and others Art by Dick Dillin, Frank McLaughlin, Joe Giella, and Dick Giordano 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.