Changeling Earth

From Author Wars - https://authorwars.com/publications/changeling-earth-322749.html

Overview:

Title: Changeling Earth
Author: Fred Saberhagen
Year: 1974
ISBN-10: 0426138058
Publisher: Tandem
Price: £0.35
Pages: 187
Binding: Paperback
Type: Novel
Title Reference: Changeling Earth
Notes:
"Copyright © 1973 by Fred Saberhagen" "Originally published in the United States by Daw Books, Inc., 1973" "Published in Great Britain by Universal-Tandem Publishing Co. Ltd, 1974" Month from amazon.uk Printing not stated, no number line; only known Tandem edition The artist is not credited, no visible signature on the artwork UK 35p, Australia $1.10, New Zealand $1.10, Canada $1.35, Malta 40c