The Forgotten Planet

From Author Wars - https://authorwars.com/publications/the-forgotten-planet-40104.html

Overview:

Title: The Forgotten Planet
Author: Murray Leinster
Year: 1961
Publisher: Ace Books
Price: $0.35
Pages: 175
Binding: Paperback
Type: Novel
Title Reference: The Forgotten Planet
Notes:
No printing or publication date stated. Date taken from Tuck Cover artist is uncredited. No visible signature. Artist from The Illustration Exchange