Earth's Other Shadow

From Author Wars - https://authorwars.com/publications/earths-other-shadow-403900.html

Overview:

Title: Earth's Other Shadow
Author: Robert Silverberg
Year: Unknown
ISBN-10: 0586047425
Publisher: Panther / Granada
Price: £1.50
Pages: 222
Binding: Paperback
Type: Collection
Title Reference: Earth's Other Shadow
Notes:
Apparent first printing as per copyright page but this is probably not the case as the true first printing is likely this one as per prices on bc.
Australia $5.95, NZ $5.95.