GURPS Discworld

From Author Wars - https://authorwars.com/publications/gurps-discworld-71146.html

Overview:

Title: GURPS Discworld
Author: Terry Pratchett, Phil Masters
Year: 1998
ISBN-10: 1556342616
Publisher: Steve Jackson Games
Price: $26.95
Binding: Trade Paperback
Type: Non-fiction
Title Reference: GURPS Discworld
Notes: Unknown