Earthwatch
From Author Wars - https://authorwars.com/publications/earthwatch-987531.html
Overview:
- Title: Earthwatch
- Author: Charles Sheffield
- Year: 1981
- ISBN-10: 0283987375
- Publisher: Sidgwick & Jackson
- Price: £10.00
- Pages: 160
- Binding: Hardcover
- Type: Non-fiction
- Title Reference: Earthwatch
- Notes: Info from Archive.org copy.