The Secret of the Ninth Planet
From Author Wars - https://authorwars.com/publications/the-secret-of-the-ninth-planet-655321.html
Overview:
- Title: The Secret of the Ninth Planet
- Author: Donald A. Wollheim
- Year: 1960
- Publisher: John C. Winston Co.
- Pages: 203
- Binding: Hardcover
- Type: Novel
- Title Reference: The Secret of the Ninth Planet
- Notes: 2nd printing Date from 6th printing.