Bonnes vacances !

From Author Wars - https://authorwars.com/books/bonnes-vacances-1786724.html

Overview:

Title: Bonnes vacances !
Author: Jacques Sternberg
Year: 1959
Type: Short Fiction

Variant Titles:

1971. Bonnes vacances
1974. Vacation

Editions/Publications:

Unknown. La première anthologie de la science-fiction française (Unknown, Jacques Sternberg, OPTA, F250, 222 pages, digest, Anthology)