The Nine Unknown (Part 1 of 5)

From Author Wars - https://authorwars.com/books/the-nine-unknown-part-1-of-5-1620248.html

Overview:

Title: The Nine Unknown (Part 1 of 5)
Author: Talbot Mundy
Year: 1923
Type: Serials

Editions/Publications:

1923 . Adventure, March 20 1923 (1923, Talbot Mundy, The Ridgway Company, $0.25, 192 pages, pulp, MAGAZINE)