La planète ignorée

From Author Wars - https://authorwars.com/publications/la-planete-ignoree-427669.html

Overview:

Title: La planète ignorée
Author: René Guillot
Year: 1963
Publisher: Hachette
Pages: 248
Binding: Hardcover
Type: Novel
Title Reference: La planète ignorée
Notes: Probable first printing as per internal evidence and copyright (DL=2nd trimester 1963).
No price on book.
Interior art by Ariel.