Inside front cover; The PSA is produced in sequential comics-art style and published in cooperation with the National Social Welfare Assembly.
Previously published in DC comics cover-dated January 1953.
First appearance of the Guardians.
Four panels with text regarding Nobel Prize winners Marie Curie, Albert Einstein, Albert A. Michelson, and Hideki Yukawa.
On the page immediately preceding page 9 of the previous story sequence.
Four panels with text regarding old superstitions.
Letters of comment from Bob Saxon; Joseph Colasacco; Louise Lazarowics; Roy Thomas; Bob (Unsigned); and "Fatman".
The Hypno-Ray is similar to an emotion controlling ray invented by Mind Games in Action Comics Weekly 611-613. Green Lantern uses a high speed stunt like The Flash.
Two panels with text regarding moons Jupiter IX, Phobos, and Iapetus.