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#311
Action Comics, #310

Published: March 1964

Cover

Action Comics #310

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Issue Contents:
The Secret of Kryptonite Six!
1 page superhero
Characters
  • Jimmy Olsen
  • General Zod
  • Professor Vakox
  • Superman
Credits
Story 1 1 page
Story Notes

Inside front cover.

Secret of Kryptonite Six!
Story 2 13 pages superhero
Storyline

Jax-Ur tricks Superman into releasing him from the Phantom Zone to save the people of Atlantis from a plague. He then uses the opportunity to create Jewel Kryptonite, which allows the Phantom Zone prisoners to focus their thoughts to affect the outside world.

Characters
  • Superman
  • Perry White
  • Jimmy Olsen
  • Lori Lemaris
  • a thought-beast
  • Supergirl
  • Vorb-Un (intro, paroled from the Phantom Zone)
  • Jax-Ur (Phantom Zone villain, temporarily released)
  • Phantom Zone inhabitants [Professor Vakox
  • two unnamed prisoners]
Credits
Story 3 1 page
Credits
Story Notes

Letters submitted by John Pierce, Jacqueline Ungrady, Bruce Goldstein, Martin Phillips, Jeffrey Plissner, and Eric Enfield.

Story 4 0 pages

"JVTPUN CLYF ZVVU..."

Story Notes

Membership application form for the Supermen of America; also includes message in secret code (Code Neptune No. 7). Decoded message reads: "Coming very soon -- the first Jimmy Olsen Giant Annual"

Featuring Sgt. Rock's Prize Battle Tales

Story 5 1 page war

"This is Sgt. Rock, bringin' you DC's first big war annual!"

Credits
Story Notes

house ad for Sgt. Rock's Prize Battle Tales (DC, 1964 series) #1, on sale January 23

Give and Take
Story 6 1 page advocacy
Storyline

The children take some broken and unused toys to Mr. Craig, who helps them to repair them and they then donate them to charity uses.

Characters
  • Mr. Craig
  • Fred
  • Fred's sister
  • Mrs. Craig
  • 2 other children
Credits
Story Notes

Published in cooperation with the National Social Welfare Assembly. The final panel lists some ways you can share with senior citizens. Credits from a list by Lionel English.

Supergirl's Rival Parents!
Story 7 13 pages superhero
Storyline

Supergirl frees her Kryptonian parents from the Survival Zone, where they have been trapped since the destruction of Argo City. Now she is faced with the choice of which parents she will live with.

Characters
  • Supergirl [also appears as Linda Danvers]
  • Allura
  • Zor-El
  • Comet the Super-Horse
  • Fred Danvers
  • Edna Danvers
Credits
Story 8 1 page

"Be first in your neighborhood to read each issue..."

Story 9 1 page
Story Notes

Sold by American Seed Co.

Story 10 1 page
Story 11 1 page
Story Notes

Inside back cover.

We Dare You to Enter This Contest!
Story 12 1 page
Story Notes

Back cover.