The Breaking of Northwall

From Author Wars - https://authorwars.com/publications/the-breaking-of-northwall-36509.html

Overview:

Title: The Breaking of Northwall
Author: Paul O. Williams
Year: 1981
ISBN-10: 0345292596
Publisher: Del Rey / Ballantine
Price: $2.25
Pages: [5]+280
Binding: Paperback
Type: Novel
Title Reference: The Breaking of Northwall
Notes:
"First Edition: February 1981" Printing not stated, no number line "Cover art by: Darrell K. Sweet" on copyright page, no visible signature on the artwork "Map by: Chris Barbieri" on copyright page, not visibly signed Printed in the US