Si vous n'y croyez pas...

From Author Wars - https://authorwars.com/books/si-vous-ny-croyez-pas-1739077.html

Overview:

Title: Si vous n'y croyez pas...
Author: Robert Bloch
Year: 1958
Type: Short Fiction

Editions/Publications:

Unknown. Fiction, #50 (Unknown, Robert Bloch, OPTA, F120, 148 pages, digest, MAGAZINE)
Unknown. Le train pour l'Enfer (Unknown, Robert Bloch, Néo, ISBN-10: 2730402594, 170 pages, Trade Paperback, Collection)