Comic Title: Journey Into Unknown Worlds #4
Publisher: Marvel (Western Fiction Publishing Co., Inc.)
Address: 350 Fifth Avenue, New York, NY
Cover Date: April 1951
On Sale Date: December 22, 1950 Copyright Date December 22, 1950
Source: Library of Congress, Periodicals 1951

Frequency: Bi-monthly
Cover Price: $0.10
Page Count: 32
Editor: Stan Lee

Title: "Return from Mars"
Pages: 7

Artist: Russ Heath