Dungeon Master's Guide

From Author Wars - https://authorwars.com/publications/dungeon-masters-guide-918459.html

Overview:

Title: Dungeon Master's Guide
Author: Gary Gygax
Year: 1989
ISBN-10: 0880387297
Publisher: TSR
Pages: 192
Binding: Hardcover
Type: Non-fiction
Title Reference: Dungeon Master's Guide
Notes: Second Edition