Le maître des ombres (Part 3 of 3)

From Author Wars - https://authorwars.com/books/le-maitre-des-ombres-part-3-of-3-1760166.html

Overview:

Title: Le maître des ombres (Part 3 of 3)
Author: Roger Zelazny
Year: 1972
Type: Serials

Editions/Publications:

Unknown. Fiction, #222 (Unknown, Roger Zelazny, OPTA, F4.00, 164 pages, digest, MAGAZINE)