Cover by Joe Maneely.
No Title Given featuring the Sub-Mariner (F-144) by Everett. 8 pages.
After a series of fire-bombs set the mid-West ablaze, the Sub-Mariner brings in a fleet of his air-subs to help quell the fires, but the Communist agitators responsible direct the blame on Namor. Namor investigates and finds the Commies in league with aliens, the 'Unseen'.
No Title Given featuring the Diary of the Prince Namor (F-206) by Everett. 4 pages.
12-year-old Namor is invited to explore ship wrecks with his mother Princess Fen. Byrrah follows, plotting danger for his rival, but endangering Fen instead. Namor must test his young strength to free his mother.
"The Plan!" 2 pages, text only (8979).
"Killer Whale!" (F-213) by Lawrence. 4 pages.
"Double Trouble!" featuring the Sub-Mariner (F-289) by Everett. 7 pages.
A mechanized duplicate of Namor goes on the rampage, and the surface world is in an uproar. Namor's friend Betty Dean knows something is wrong, and the real Namor stops the robot, and smells a rat...by the name of Byrrah.