Earth Descended

From Author Wars - https://authorwars.com/publications/earth-descended-11758.html

Overview:

Title: Earth Descended
Author: Fred Saberhagen
Year: 1981
ISBN-10: 0523485166
Publisher: Tor / Pinnacle
Price: $2.50
Pages: 283
Binding: Paperback
Type: Collection
Title Reference: Earth Descended
Notes:
- "First printing, October 1981"; no number line
- Cover art credited to Kidd, the artwork is also signed