The third volume of Young Justice spotlights the "Sins of Youth" event that pitted DC's teen heroes—including Superboy, Robin, Impulse and more—against each other! In this volume's "Sins of Youth" epic, the machinations of the covert organization known as the Agenda affects the team's respective ages—leaving some heroes grown to adulthood and others reverted to adolescence! Beloved writer Peter David's classic series is re-collected here in YOUNG JUSTICE BOOK THREE. Collects YOUNG JUSTICE #18-19, and the SINS OF YOUTH titles JLA JR. #1, AQUAMAN/LAGOON MAN #1, BATBOY AND ROBIN #1, KID FLASH/IMPULSE #1, STARWOMAN AND THE JSA #1, SUPERMAN JR./ SUPERBOY SR. #1, WONDER GIRLS #1, THE SECRET/DEADBOY #1, plus SUPERBOY #74 and SINS OF YOUTH SECRET FILES #1