Comic Title: Superboy #40
Publisher: DC (National Comics Publications, Inc.)
Address: 480 Lexington Avenue, New York, NY
Cover Date: April 1955
Approx. On Sale Date: February 15, 1955 Copyright Date February 13, 1955
Source: Library of Congress, Periodicals 1955
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 Feb., May, Aug., and Nov.
Cover Price: $0.10
Page Count: 32
Editor: Mort Weisinger

Title: "The Boy of Clay"
Pages: 8

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

Writer: Otto Binder
Penciller: Curt Swan
Inker: Creig Flessel

Feature Character(s)

• Superboy (last appearance in Adventure Comics #210; next appearance in Superboy #40)

Supporting Character(s)

• Jonathan Kent (last appearance in Adventure Comics #210; next appearance in Adventure Comics #211)
• Martha Kent (last appearance in Superboy #38; next appearance in Adventure Comics #211)
• Lana Lang (last appearance in Adventure Comics #210; next appearance in Superboy #40)
• Lewis Lang (last appearance in Superboy #37; next appearance in Superboy #40)

Villain(s)

• A gang of crooks (dream appearance)
• Crackpot Calhoun and his men (no further appearances)
• Two bandits (no further appearances)

Other Character(s)

• Clancy (a policeman; no further appearances)

Synopsis:
Professor Lang returns from an expedition with some glowing bananas. After eating some of them as Clark Kent, Superboy begins feeling weak. He learns that the glow of the bananas was caused by Kryptonite in the soil where they were grown. Superboy then works the Kryptonite out of his system and regains his full strength.

Lana suspects that he is Clark, since Clark ate the bananas. Superboy tricks her then disposes of the poison fruit.