O perigo cinzento

From Author Wars - https://authorwars.com/books/o-perigo-cinzento-2711509.html

Overview:

Title: O perigo cinzento
Author: Jean Ray
Year: 1978
Type: Short Fiction

Editions/Publications:

Unknown. Bestiário fantástico (Unknown, Jean Ray, Moraes Editores, 129 pages, Trade Paperback, Collection)