Comic Title: My Greatest Adventure #20
Publisher: DC (National Comics Publications, Inc.)
Address: 480 Lexington Avenue, New York, NY
Cover Date: Mar/Apr 1958
Approx. On Sale Date: January 9, 1958 Copyright Date January 7, 1958
Source: Library of Congress, Periodicals 1958
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: Bi-monthly
Cover Price: $0.10
Page Count: 32
Editor: Jack Schiff

Title: "I Was the Last Martian"
Pages: 8

Artist: Jim Mooney

Reprinted In:
DC 100-Page Super Spectacular #4 (1971)