DC June, 1968
Reprints from Superboy (1st Series) #98, Adventure Comics #290, 293, Action Comics #276 and Superman (1st Series) #147; Origin of Cosmic Boy; Origin Of Lightning Lad; Origin of Saturn Girl; 80-Page Giant #G35; Giant-size; Origion Of Lightning Lad; Tales From The Legion Of Super-Heroes
Legion of Super-Heroes: The Origin of the Legion; The Boy With Ultra-Powers; The Legion of Super-Traitors; Supergirl: Supergirl’s Three Super-Girl Friends; The Secret of the Seventh Super-Hero; Superman: The Legion of Super-Villains
E. Nelson Bridwell, Jerry Siegel, Robert Bernstein, Mort Weisinger
Pete Costanza, Curt Swan, Jim Mooney, George Papp