The Mysterious Planet
From Author Wars - https://authorwars.com/publications/the-mysterious-planet-256646.html
Overview:
- Title: The Mysterious Planet
- Author: Lester del Rey
- Year: 1978
- ISBN-10: 0345271211
- Publisher: Del Rey / Ballantine
- Price: $1.50
- Pages: 183
- Binding: Paperback
- Type: Novel
- Title Reference: The Mysterious Planet
- Notes:
- "First Ballantine Books Edition: April 1978"
- Printing not stated, no number line
- Cover art credited to Ellis on copyright page, no visible signature
- Printed in the US