Comic Title: Mystery in Space #14
Publisher: DC (National Comics Publications, Inc.)
Address: 480 Lexington Avenue, New York, NY
Cover Date: Jun/Jul 1953
On Sale Date: April 15, 1953 Copyright Date April 13, 1953
Source: Library of Congress, Periodicals 1953
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.

Newsstand Date April 15, 1953
Source: Newsdealer Magazine, V8 #2

Frequency: Bi-monthly
Cover Price: $0.10
Page Count: 32
Editor: Julius Schwartz

Title: "Earth's Double Invasion"
Pages: 6

Writer: Gardner F. Fox
Penciller: Murphy Anderson
Inker: John Giunta