Master of the Game

From Author Wars - https://authorwars.com/books/master-of-the-game-3090186.html

Overview:

Title: Master of the Game
Author: Gary Gygax
Year: 1989
Type: Non-fiction

Editions/Publications:

Unknown. Master of the Game (Unknown, Gary Gygax, Perigee Books, ISBN-10: 039951533X, 174 pages, Trade Paperback, Non-fiction)