Night of Masks

From Author Wars - https://authorwars.com/publications/night-of-masks-181369.html

Overview:

Title: Night of Masks
Author: Andre Norton
Year: 1970
ISBN-10: 0340042036
Publisher: Knight Books
Price: £0.25
Pages: 190
Binding: Paperback
Type: Novel
Title Reference: Night of Masks
Notes:
"This edition published in 1970 by Knight Books"
Printing not stated, no number line
The artist is not credited, no visible signature on the artwork
UK 5/- (25p), Australia 80c; New Zealand 75c; South Africa 60c