Download or read book Crisis on Multiple Earths Book 1: Crossing Over written by Gardner Fox and published by DC Comics. This book was released on 2021-02-23 with total page 418 pages. Available in PDF, EPUB and Kindle. Book excerpt: From legendary comics writers Gardner Fox and Dennis O’Neil come 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 collection brings together the earliest adventures of the heroes of two Earths as they battle their own arch-foes, the doppelgänger villains of Earth-Three known as the Crime Society, and more! Collects Justice League of America #21-22, #29-30, #37-38, #46-47, #55-56, #64-65, #73-74, #76, and #82-83.