Dorsai's Command

From Author Wars - https://authorwars.com/publications/dorsais-command-18140.html

Overview:

Title: Dorsai's Command
Author: Gordon R. Dickson, Troy Denning, Cory Glaberson
Year: 1989
ISBN-10: 0441114342
Publisher: Ace Books
Price: $3.95
Pages: xii+247
Binding: Paperback
Type: Novel
Title Reference: Dorsai's Command: In the World of Gordon R. Dickson's Dorsai
Notes:
It's a game book. Saving graces are a fictional essay about the Dorsai and another about worlds in the Fiction series. Introduction is mostly just how to play the game. Cover art by Don Dixon, Maps by James Clouse, Illustrations by Todd Cameron Hamilton. C$5.25 in Canada