Comic Title: Detective Comics #311
Publisher: DC (National Periodical Publications, Inc.)
Address: 575 Lexington Avenue, New York, NY
Cover Date: January 1963
On Sale Date: November 29, 1962 Newsstand Date November 29, 1962
Source: House Ad, World's Finest Comics #131, Page 13

Copyright Date November 29, 1962
Source: Library of Congress, Periodicals 1962

Frequency: Monthly
Cover Price: $0.12
Page Count: 32
Editor: Jack Schiff

Title: "The Invaders from the Space Warp"
Pages: 12

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

Artist: Joe Certa

Reprinted In:
Showcase Presents:Martian Manhunter Vol. 2 TPB (2009)

Feature Character(s)

• Martian Manhunter (last appearance in Justice League of America #16; next appearance in Justice League of America #17)

Supporting Character(s)

• Captain Harding (last appearance in Detective Comics #310; next appearance in Detective Comics #312)
• Diane Meade (last appearance in Detective Comics #310; next appearance in Detective Comics #312)
• Zook (next appearance in Detective Comics #312)

Villain(s)

• Two alien criminals (no further appearances)

Other Character(s)

• R’ell (an alien bounty hunter; no further appearances)
• An alien scientist (no further appearances)

Synopsis:
Two alien criminals come to Earth through a space warp pursued by another alien, R’ell. The aliens begin raiding Earth until the Martian Manhunter captures them. R’ell explains how the aliens came through the space warp and that the warp is closing. The aliens break free, but are captured again with the help of Zook, an alien creature that followed R’ell through the warp. R’ell and the aliens return to their world, but Zook is stranded when the warp closes. J’onn keeps the little alien as a pet.