ADVENTURE COMICS (1938) #335

Cover pencils by Curt Swan, inks by George Klein. Starfinger!--Tales of the Legion of Super-Heroes, script by Edmond Hamilton, pencils by John Forte, inks by Sheldon Moldoff; The Legionnaires must guard the valuable mineral rejuvium from Starfinger, who threatens to destroy the Seven Wonders of the 30th Century. Brainiac 5 article. Superboy's Underground Exile, art by Al Plastino; After a missile test, Superboy has to remain underground.