The Glassblower's Children

From Author Wars - https://authorwars.com/publications/the-glassblowers-children-915213.html

Overview:

Title: The Glassblower's Children
Author: Maria Gripe
Year: 1974
ISBN-10: 0200722670
Publisher: Abelard-Schuman
Price: £1.95
Pages: 170
Binding: Hardcover
Type: Novel
Title Reference: The Glassblower's Children
Notes:
Price from brief review in "Fantasy fiction" by Naomi Lewis, The Observer 1974-12-01 p35. Not found at Amazon UK/US 2022-09-10, when search for this ISBN hits a 2019 NYRB Kids edition (ISBN-10 1681373785).