1st Neal Adams cover on this title.
Story continues in the following issue.
First two pages were originally printed in Superman Annual (DC, 1960 series) #4, then reprinted with some alterations in Adventure Comics (DC, 1938 series) #316 with third and fourth pages, all of which were reprinted here with further alterations by Al Plastino, most notably in the Light Lass and Duo Damsel panels, and with the fifth and sixth pages added.