Sign of the Unicorn (Part 3 of 3)

From Author Wars - https://authorwars.com/books/sign-of-the-unicorn-part-3-of-3-112585.html

Overview:

Title: Sign of the Unicorn (Part 3 of 3)
Author: Roger Zelazny
Year: 1975
Type: Serials

Editions/Publications:

Unknown. Galaxy, March 1975 (Unknown, Roger Zelazny, UPD Publishing Corporation, $0.75, 164 pages, digest, MAGAZINE)