Crisis on Multiple Earths Vol. 1 TP

The CRISIS begins here!  The much-demanded early "Crisis Crossover" stories are finally collected, featuring the Justice League of America (Earth-One) meeting their Golden Age predecessors, the Justice Society of America (Earth-Two)!  This volume collects the first four 2-part "Crisis Crossover" adventures, reprinting JUSTICE LEAGUE OF AMERICA #21-22, 29-30, 37-38, and 46-47.  Our heroes battle the Injustice Society, the Crime Syndicate of Earth-Three, the evil Johnny Thunder, and the Anti-Matter Man!