In-Group

From Author Wars - https://authorwars.com/books/in-group-675081.html

Overview:

Title: In-Group
Author: Al Williamson
Year: 1952
Type: Interior Art

Editions/Publications:

Unknown. Marvel Science Fiction, May 1952 (Unknown, Al Williamson, Stadium Publishing Corporation, $0.25, 132 pages, pulp, MAGAZINE)