Crisis on Multiple Earths, Vol. 2

The seed for Crisis on Infinite Earths was planted in the universe-altering Silver Age tales contained within this volume. The talents of editor Julius Schwartz, writer Gardner Fox, and penciller Mike Sekowsky crossed over worlds to team up the Justice League of America (Earth-One) with their Golden Age predecessors -- the Justice Society of America (Earth-Two)! The two teams combine forces to defeat world-shattering threats to their Earths! Join DC's greatest heroes in timeless adventures that changed the DC Universe for all time!