Prisoners of Space

From Author Wars - https://authorwars.com/publications/prisoners-of-space-264001.html

Overview:

Title: Prisoners of Space
Author: Lester del Rey
Year: 1967
Publisher: Westminster Press
Price: $3.75
Pages: 142
Binding: Hardcover
Type: Novel
Title Reference: Prisoners of Space
Notes:
• No statement of printing on copyright page. [Currey] • Price from Tuck • "Although published under del Rey's byline, this work was actually written by Paul W. Fairman." - Currey • "PWF [Paul W. Fairman] wrote several juvenile novels based on outlines by Lester Del Rey and published under del Rey's byline, including ... 'Prisoners of Space'". - Clute & Nicholls 1993.