Invariant

From Author Wars - https://authorwars.com/publications/invariant-444163.html

Overview:

Title: Invariant
Author: Isaac Asimov, Martin H. Greenberg, Charles G. Waugh
Year: 1985
ISBN-10: 290418418X
Publisher: Londreys
Price: F75.00
Pages: 261
Binding: Trade Paperback
Type: Anthology
Title Reference: Bon pour le service des organes
Notes: Probable first printing.
Artist not credited but cover art is the same as the one used for the US anthology.
Translated by diverse hands.
Each text is followed by a short uncredited author's presentation.
Note that Mitchison's first name is mispelled on title page as "Naomri", regularized here.