Comic Title: Adventure Comics #166
Publisher: DC (National Comics Publications, Inc.)
Address: 480 Lexington Avenue, New York, NY
Cover Date: July 1951
Approx. On Sale Date: May 18, 1951 Copyright Date May 16, 1951
Source: Library of Congress, Periodicals 1951
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
Cover Price: $0.10
Page Count: 48
Editor: Jack Schiff

Title: "The Secret Kingdom"
Pages: 6

Feature(s):
Shining Knight (of Earth-2)

Writer: Don Cameron
Artist: Ramona Fradon

Feature Character(s)

• Shining Knight (final Golden Age appearance; last appearance in Adventure Comics #165; next appearance in Justice League of America #100)

Supporting Character(s)

• Winged Victory (last appearance in Adventure Comics #165; next appearance in All-Star Comics #63)
• Sir Butch (last appearance in Adventure Comics #165; no further appearances)

Villain(s)

• Pecos Parker and his gang (no further appearances)

Other Character(s)

• Axtol and his people (a lost civilization; no further appearances)
• Ixtla (alias Quetza; Axtol's daughter; no further appearances)

Synopsis:
While exploring the mountains of Mexico, the Shining Knight and Butch meet members of a lost civilization. A band of outlaws led by Pecos Parker wants to use the indians as slaves to mine gold. They capture Butch as a hostage, but the Shining Knight and the chieftan's daughter rescue him. Pecos is defeated, leaving the Shining Knight to make peace with the indian tribe.