Curious Magic

From Author Wars - https://authorwars.com/publications/curious-magic-312629.html

Overview:

Title: Curious Magic
Author: Elisabeth Beresford
Year: 1980
ISBN-10: 0525666826
Publisher: Elsevier / Nelson Books
Price: $6.95
Pages: 144
Binding: Hardcover
Type: Novel
Title Reference: Curious Magic
Notes: Info from Locus #234 (June 1980) and OCLC.
There's another listing in Locus #243 (April 1981) which gives March 1981 as the publication date and the price as $7.95. "First U.S. Edition" on copyright page of Archive.org copy.