Grains de sable

From Author Wars - https://authorwars.com/publications/grains-de-sable-331951.html

Overview:

Title: Grains de sable
Author: Hal Clement
Year: 1970
Publisher: Denoël
Pages: 222
Binding: Paperback
Type: Collection
Title Reference: Grains de sable
Notes: Unknown printing rank (probable 1st). No price on book. Cover not illustrated. Drops two stories from the original collection. Note that A l'épreuve du feu is given as A l'épreuve du jeu on toc.