Comic Title: Superman's Pal Jimmy Olsen #25
Publisher: DC (National Comics Publications, Inc.)
Address: 480 Lexington Avenue, New York, NY
Cover Date: December 1957
Approx. On Sale Date: October 10, 1957 Copyright Date October 8, 1957
Source: Library of Congress, Periodicals 1957
Until 1958 DC did not report actual on sale dates to the copyright office
The publication dates listed in LoC records are NOT release dates.

Frequency: Monthly, with the exception of Jan., May, July, and Nov.
Cover Price: $0.10
Page Count: 32
Editor: Mort Weisinger

Title: "The Second Superboy"
Pages: 8

Feature(s):
Jimmy Olsen (of Earth-1)

Writer: Otto Binder
Penciller: Curt Swan
Inker: Ray Burnley

Reprinted In:
Showcase Presents:Superman Family Vol. 2 TPB (2008)

Feature Character(s)

• Jimmy Olsen (becomes Super Youth in this story; last appearance in Superman's Pal Jimmy Olsen #25; next appearance in Superman's Pal Jimmy Olsen #25)

Supporting Character(s)

• Superman (last appearance in Superman's Pal Jimmy Olsen #25; next appearance in Superman's Pal Jimmy Olsen #25)
• Professor Potter (last appearance in Superman's Pal Jimmy Olsen #22; next appearance in Superman's Pal, Jimmy Olsen #27)

Villain(s)

• Killer Krezz (no further appearances)

Guest Appearance(s)

• Lana Lang (in flashback; last appearance in Superboy #61; next appearance in Adventure Comics #243)
• Superboy (as Clark Kent; in flashback; last appearance in Superboy #61; next appearance in Adventure Comics #243)

Other Character(s)

• Citizens of Dorth (Theo and Aldo named; no further appearances)

Cameo Appearance(s)

• Jonathan Kent (in flashback to Kal-El's arrival on Earth)
• Martha Kent (in flashback to Kal-El's arrival on Earth)

Synopsis:
Jimmy rides an experimental rocket to the planet Dorth where he gains super powers. Robot police arrest Jimmy for not having proper identification. He escapes and is helped by Mr. Krezz. Krezz is a crook, who tricks Jimmy into gathering money for him. Jimmy realizes he is being duped, so he captures Krezz and turns him in to the authorities. Doing so clears his name. Finally Jimmy returns to Earth.