The Mabinogion Tetralogy

From Author Wars - https://authorwars.com/publications/the-mabinogion-tetralogy-265155.html

Overview:

Title: The Mabinogion Tetralogy
Author: Evangeline Walton
Year: 2004
ISBN-10: 1585675040
Publisher: The Overlook Press
Price: $24.95
Pages: 718
Binding: Trade Paperback
Type: Omnibus
Title Reference: Prince of Annwn
Notes:
The price is from Amazon.com