Into the Unknown

From Author Wars - https://authorwars.com/books/into-the-unknown-1037511.html

Overview:

Title: Into the Unknown
Author: Dennis Wheatley
Year: 1960
Type: Omnibuses

Editions/Publications:

Unknown. Into the Unknown (Unknown, Dennis Wheatley, Hutchinson, 25/-, 391+320+294 pages, Hardcover, Omnibus)