Comic Title: Action Comics #343
Publisher: DC (National Periodical Publications, Inc.)
Address: 575 Lexington Avenue, New York, NY
Cover Date: November 1966
On Sale Date: September 29, 1966 Newsstand Date September 29, 1966
Source: Direct Currents, Superman #191, Page 18

Copyright Date September 29, 1966
Source: Library of Congress, Periodicals 1966

Frequency: Monthly (semi-monthly, March)
Cover Price: $0.12
Page Count: 32
Editor: Mort Weisinger

Title: "Jimmy Olsen, Supergirl's Pal"
Pages: 9

Feature(s):
Supergirl (of Earth-1)

Writer: Otto Binder
Penciller: Curt Swan
Inker: John Forte

Reprinted From:
Superman's Pal, Jimmy Olsen #40 (1959)

Feature Character(s)

• Jimmy Olsen (last appearance in Superman's Pal, Jimmy Olsen #40; next appearance in Superman's Pal, Jimmy Olsen #40)

Guest Star(s)

• Supergirl (last appearance in Action Comics #256; next appearance in Action Comics #257)

Supporting Character(s)

• Superman (last appearance in Superman's Pal, Jimmy Olsen #40; next appearance in Superman's Pal, Jimmy Olsen #40)

Villain(s)

• Colonel "Big Con" Colby and Thora (no further appearances)

Cameo Appearance(s)

• Zor-El (in flashback to Supergirl’s origin)
• Allura (in flashback to Supergirl’s origin)

Comments:
Supergirl’s origin is briefly recapped in this story, and she meets Jimmy Olsen for the first time.

This story was originally a Jimmy Olsen feature. It is presented as a "Hall of Fame Classic".

Synopsis:
Jimmy Olsen sets out to expose a side show phony, but he is temporarily blinded by some tear gas. Colby, the head of the show, trys to kill Jimmy. Jimmy is rescued by Supergirl, who is filling in for Superman.

Jimmy does not believe Supergirl is real, since her existance is a secret. She tries to convince him, but he believes she is the side show strong girl, Thora. When Superman returns from his mission, he helps Jimmy expose the side show and capture Colby. When Jimmy recovers his eyesight, he still does not believe in Supergirl.