The Double Planet
From Author Wars - https://authorwars.com/publications/the-double-planet-442710.html
Overview:
- Title: The Double Planet
- Author: Isaac Asimov
- Year: 1960
- Publisher: Abelard-Schuman
- Price: $3.00
- Pages: 158
- Binding: Hardcover
- Type: Non-fiction
- Title Reference: The Double Planet
- Notes: "Illustrations by John Bradford" on title page of Archive.org copy. Front flap says "Illustrated with diagrams".