Spaceman! (Part 1 of 3)

From Author Wars - https://authorwars.com/books/spaceman-part-1-of-3-112773.html

Overview:

Title: Spaceman! (Part 1 of 3)
Author: Keith Laumer
Year: 1967
Type: Serials

Editions/Publications:

Unknown. If, May 1967 (Unknown, Keith Laumer, Galaxy Publishing Corporation, $0.50, 164 pages, digest, MAGAZINE)