En provecho de las conjeturas
From Author Wars - https://authorwars.com/books/en-provecho-de-las-conjeturas-1865448.html
Editions/Publications:
- Unknown. Obras escogidas (Unknown, Jean Ray, Aguilar, 1009 pages, Hardcover, Omnibus)
- Unknown. Obras escogidas (Unknown, Jean Ray, Aguilar, 1009 pages, Hardcover, Omnibus)
- Unknown. Obras escogidas (Unknown, Jean Ray, Aguilar (Mexico), ISBN-10: 9681903145, 767 pages, Paperback, Omnibus)