Comic Title: World's Finest Comics #257
Publisher: DC (DC Comics Inc.)
Address: 75 Rockefeller Plaza, New York, NY
Cover Date: Jun/Jul 1979
On Sale Date: March 8, 1979 Newsstand Date March 8, 1979
Source: DC Coming Attractions, #28

Copyright Date March 8, 1979
Source: Library of Congress, Copyright Office 1979

Newsstand Date March 6, 1979
Source: Comic Reader, #166

Newsstand Date March 5, 1979
Source: Daily Planet, Vol. 79 #8
Listed without a date alongside books on sale the week of March 5th

Shipping Date February 13, 1979
Source: DC Coming Attractions, #28

Frequency: Bi-monthly
Cover Price: $1.00
Page Count: 64
Editor: Jack C. Harris

See Also: The Guide to DC Giants

Title: "Attack of the In-and-Out Invaders"
Pages: 10

Feature(s):
Hawkman (of Earth-1)

Writer: Gerry Conway
Penciller: Rich F. Buckler
Inker: Romeo Tanghal
Letterer: Ben Oda
Colorist: Adrienne Roy

Feature Character(s)

• Hawkman (last appearance in DC Comics Presents #11; next appearance in World's Finest Comics #258)

Supporting Character(s)

• Hawkgirl (last appearance in DC Comics Presents #11; next appearance in World's Finest Comics #258)
• Mavis Trent (last appearance in Detective Comics #479; next appearance in World's Finest Comics #274)