Comic Title: World's Finest Comics #212
Publisher: DC (National Periodical Publications, Inc.)
Address: 909 Third Avenue, New York, NY
Cover Date: June 1972
On Sale Date: April 20, 1972 Newsstand Date April 20, 1972
Source: Direct Currents, Superman #253, Page 28

Newsstand Date April 20, 1972
Source: House Ad, World's Finest Comics #211, Page 46

Newsstand Date April 20, 1972
Source: Comic Reader, #83

Copyright Date April 20, 1972
Source: Library of Congress, Periodicals 1972

Frequency: Monthly, (with the exception of Jan., Apr., and July)
Cover Price: $0.25
Page Count: 48
Editor: Julius Schwartz

Title: "...and So My World Begins"
Pages: 22

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

Writer: Dennis J. O'Neil
Penciller: Dick Dillin
Inker: Joe Giella

Reprinted In:
World's Finest:Guardians of Earth HC (2020)

Feature Character(s)

• Superman (last appearance in Superman #253; next appearance in Superman #254)
• Martian Manhunter (last appearance in Superman #253; next appearance in Justice League of America #100)