|Location of Publication||Sparta, Illinois|
|Story Location||Earth: Metropolis, Krypton (Flashback only): Kryptonopolis (Flashback only), Fire Falls (Mentioned only), Arctic Circle: Fortress of Solitude, Kandor, Metropolis, Midvale|
|Notes||1st Story: Superman in "The Man Who Saved Kal-El's Life!" |
2nd Story: Supergirl in "The Secret of the Time-Barrier!"
The Secret of the Time-Barrier is the fourth part of "The Unknown Supergirl" storyline, which continues in the next issue. It is reprinted in Action Comics #360, The Supergirl Archives Vol. 2, Showcase Presents: Supergirl Vol. 1, Supergirl: The Silver Age Vol 1 and Supergirl: The Silver Age Omnibus Vol. 1
The story "The Man Who Saved Kal-El's Life" recycles the plot from the story "The Man Who Went to Krypton" from Superman #77.
This issue has the vote results from a poll for what new hairstyle Linda Lee should have. This vote was called in Action Comics #273.