Notes:
Newsstand date from the Comic Magazine Publishing Report issue #168, January 1956 by The Dougherty Company. Copyright registration of December 25.
Character(s):
Martian Manhunter [John Jones; J'Onn J'Onzz]; Professor Erdel (cameo, flashback); Captain Harding (introduction); Alex Dunster (villain)
Synopsis:
John Jones discovers that Alex Dunster, who acquires and sells scientific and technical items of great value, has gotten hold of the machine that Professor Erdel used to bring J'onn J'onzz from Mars. Jones realizes that if he uses the machine to return to Mars, however, Dunster would be free to continue his criminal ways. So Jones confronts Dunster, but Dunster destroys the machine before surrendering.