Les amants étrangers / L'univers à l'envers

From Author Wars - https://authorwars.com/publications/les-amants-etrangers--lunivers-a-lenvers-375918.html

Overview:

Title: Les amants étrangers / L'univers à l'envers
Author: Philip José Farmer
Year: 1968
ISBN-10:
Publisher: OPTA
Pages: xxxi+397
Binding: Hardcover
Type: Omnibus
Title Reference: Les amants étrangers
Notes: Probable first printing (DL=1st trimester 1968). Numbered and limited printing of 4000+150 copies. Scan of the book cover and spine without jacket (as issued to members of the club) is here.