Postmarked the Stars

From Author Wars - https://authorwars.com/publications/postmarked-the-stars-236097.html

Overview:

Title: Postmarked the Stars
Author: Andre Norton
Year: 1980
ISBN-10: 0416883001
Publisher: Magnet
Price: £0.95
Pages: 223
Binding: Paperback
Type: Novel
Title Reference: Postmarked the Stars
Notes:
No visible difference between this and the 80p edition. Another blow to the "printing numbers will fix things" idea.