Cosmic Boy, Lightning Lad, Saturn Girl - these are the brave young adventurers that dared to bring about a new age of heroes! Set in the far-flung future of the 30th century, and representing planets throughout the cosmos, these young heroes must band together to protect the galaxy from space-born threats as great as the universe itself. This beautiful collection brings together the early issues of SUPERBOY, SUPERMAN, ADVENTURE and ACTION COMICS for a definitive Legion compendium.