Les mutants sonnent le glas

From Author Wars - https://authorwars.com/publications/les-mutants-sonnent-le-glas-417078.html

Overview:

Title: Les mutants sonnent le glas
Author: Richard Bessière
Year: 1981
ISBN-10: 2265016314
Publisher: Fleuve Noir
Pages: 219
Binding: Paperback
Type: Novel
Title Reference: Les mutants sonnent le glas
Notes: Probable first printing (note DL=3rd trimester 1981).
No price on book.
Sub-series "Lendemains retrouvés" on cover.
Artist not credited.
Note ads between pages 64 & 65 and 160 & 161.