Featuring cosmic adventures, a race through time, the disappearance of adults across the world, the terrible villainy of Darkseid, Lex Luthor\'s Injustice Gang, Starro, the introduction of Prometheus, and more! Collects JLA #10-23, JLA ANNUAL #2, JLA: SECRET FILES & ORIGINS #2, JLA: WORLD WITHOUT GROWNUPS #1-2, and NEW YEAR\'S EVIL: PROMETHEUS #1. (W) Grant Morrison, Various (A) Howard Porter, Various (CA) Howard Porter, John Dell