The Valdemar Companion

From Author Wars - https://authorwars.com/publications/the-valdemar-companion-254749.html

Overview:

Title: The Valdemar Companion
Author: Denise Little, John Helfers
Year: 2002
Publisher: DAW Books / SFBC
Price: $12.50
Pages: 497
Binding: Hardcover
Type: Non-fiction
Title Reference: The Valdemar Companion
Notes: This is similar to the 2001 DAW edition, except it lacks a price and has the SFBC number on the back jacket.