Creatures on the Loose 1971 #20 - back issue - $5.00
A human unit on Mars realises that a disguised martian is in their midst, they cannot tell the imposter and the real human apart, until a false piece of bad news makes the real human weep, uncovering the martian.
On-sale date from Etcetera & The Comic Reader #87 July 1972.
- Only One Is Human! - Narrated in the first person.
- Gangway, World! Madcap Marvel Marches Merrily On! - Stan Lee's Soapbox, Items, Mighty Marvel Checklist, house ad for The Cat series.
- - Letters from Daniel L. Gheno, Shirley A. Gorman, Michael A. Goldman.
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