Expedition to Earth

From Author Wars - https://authorwars.com/publications/expedition-to-earth-254255.html

Overview:

Title: Expedition to Earth
Author: Arthur C. Clarke
Year: 1979
ISBN-10: 0345284674
Publisher: Del Rey / Ballantine
Price: $1.95
Pages: 165
Binding: Paperback
Type: Collection
Title Reference: The Sentinel
Notes:
"Seventeenth Printing: March 1979"; no number line "Cover art by Stanislaw Fernandes" on copyright page, the artwork is also signed