Les enfants du joyau

From Author Wars - https://authorwars.com/publications/les-enfants-du-joyau-330914.html

Overview:

Title: Les enfants du joyau
Author: E. E. 'Doc' Smith
Year: 1978
ISBN-10: 2226004637
Publisher: Albin Michel
Pages: 250
Binding: Paperback
Type: Novel
Title Reference: Les enfants du joyau
Notes: Unknown printing rank (probably not first as the printing date is out of sequence and the publisher's catalog at the end lists titles up to #36). No price on book. Artist not credited ("Photo Granada" [sic] on bc) but cover was used for the British pb of Asimov's Buy Jupiter.