Aux portes des ténèbres

From Author Wars - https://authorwars.com/publications/aux-portes-des-tenebres-556808.html

Overview:

Title: Aux portes des ténèbres
Author: Jean-Louis Bouquet
Year: 1956
Publisher: Denoël
Price: F450
Pages: 250
Binding: Paperback
Type: Collection
Title Reference: Les filles de la nuit
Notes:
- Data retrieved from BnF, WorldCat, nooSFere and BDFI.
- Page count from WorldCat.
- DL = 1st trimester 1956.
- Price in post-war "old francs", so no decimals.
- No ISBN.