Jem (Part 3 of 5)

From Author Wars - https://authorwars.com/books/jem-part-3-of-5-112550.html

Overview:

Title: Jem (Part 3 of 5)
Author: Frederik Pohl
Year: 1979
Type: Serials

Editions/Publications:

Unknown. Galaxy, June-July 1979 (Unknown, Frederik Pohl, UPD Publishing Corporation, $1.25, 164 pages, digest, MAGAZINE)