"The Origin of the Justice League!" - The Justice League of America uses the occasion of its third anniversary to tell Snapper Carr and Green Arrow about the formation of the League, involving the discovery of strange meteors that nearly doomed them forever. Ads for The Flash and Justice League of America. Ad for Hasbro's G. I. Joe. "Friends Across the Seas," - School children from around the world discuss letters from their pen-pals (promoting 1965 as International Cooperation Year). "Birth of the Atom!" - Scientist Ray Palmer is experimenting with his reducer lens to try and reduce objects in size without blowing them up, all without success. Atom comic ad "Origins of Legendary Heroes" article; Mini biographies of legendary heroes through the ages. Half-page Little Pete story "How Aquaman Got His Powers!" - Aquaman stops the U.S. Navy from testing atomic depth charges and recounts his origin to Commander Haskel. Aquaman comic ad "The Man from Robin's Past," - When stolen goods are found in the quarters of Sando the Strongman, a friend of the Grayson family who looked after Dick after his parents were murdered, Batman and Robin have to prove his innocence. Batman and Detective Comics ad "The Origin of Flash's Masked Identity!" - Barry Allen muses to himself, while reading a Golden Age issue of Flash Comics, of what it would be like if the Scarlet Speedster would operate maskless rather than as he now does. "The Story of Superman's Life!" - Recap of Superman's life. World's Finest Comics ad.