Merlin's Godson

From Author Wars - https://authorwars.com/publications/merlins-godson-323043.html

Overview:

Title: Merlin's Godson
Author: H. Warner Munn
Year: 1979
ISBN-10: 034528982X
Publisher: Del Rey / Ballantine
Price: $2.25
Pages: 311
Binding: Paperback
Type: Omnibus
Title Reference: King of the World's Edge
Notes:
"Fourth printing: December 1979" "First Ballantine Books Edition: September 1976" "Cover art by Darrell Sweet" on the copyright page. Signature on the lower right corner of the artwork. UK price sticker: £0.85