Comic Title: Detective Comics #260
Publisher: DC (National Comics Publications, Inc.)
Address: 480 Lexington Avenue, New York, NY
Cover Date: October 1958
On Sale Date: August 21, 1958 Copyright Date August 21, 1958
Source: Library of Congress, Periodicals 1958

Frequency: Monthly
Cover Price: $0.10
Page Count: 32
Editor: Jack Schiff

Title: "John Jones' Super-Secret"
Pages: 6

Feature(s):
Martian Manhunter (of Earth-1)

Artist: Joe Certa

Reprinted In:
Showcase Presents:Martian Manhunter Vol. 1 TPB (2007)

Feature Character(s)

• Martian Manhunter (last appearance in Detective Comics #259; next appearance in Detective Comics #261)

Supporting Character(s)

• Captain Harding (last appearance in Detective Comics #259; next appearance in Detective Comics #261)

Villain(s)

• A gang of museum thieves and a gang of counterfeiters (no further appearances)

Other Character(s)

• Officer Slade (next appearance in Detective Comics #268)

Synopsis:
John Jones decides to assist Officer Slade, a rookie policeman who lacks confidence. Secretly using his powers, John tips off Slade to a museum robbery. The rookie makes the arrest, but thinks it was a fluke.

John then puts Slade on the trail of a gang of counterfeiters. John using his powers to keep Slade on the trail, but a nearby brush fire weakens him. John keeps up by burrowing underground and hitting the crooks invisibly from below. Following the successful round-up of the gang, Officer Slade has a newfound confidence.