Au pays des brumes

From Author Wars - https://authorwars.com/books/au-pays-des-brumes-1891332.html

Overview:

Title: Au pays des brumes
Author: Conan Doyle
Year: 1957
Type: Novels

Editions/Publications:

Unknown. Les exploits du Pr Challenger et autres aventures étranges (Unknown, Conan Doyle, Robert Laffont, ISBN-10: 2221056302, F120.00, 1155 pages, Trade Paperback, Omnibus)