Superboy and The Legion of Super-Heroes Vol. 2

In these 1970s stories from SUPERBOY AND THE LEGION OF SUPER-HEROES #241-258 and DC COMICS PRESENTS #13-14, the teen heroes from the 30th century must stop a Khund invasion of Earth-but who is manipulating the leader of the Khunds into this aggression? Then, the Fatal Five return, and the team must stop the Starburst Raiders from stealing the heart of the sun!