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!
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, SUPERBOY #74, SINS OF YOUTH #1 and SINS OF YOUTH SECRET FILES #1.