First issue was copyright MCMXX [1920] by Frank A. Munsey Company. First issue of the Revised Version was copyright 1941, also by the Frank A. Munsey Company.
Summary:
Four Americans discover an unmapped valley in Tibet, and are captured by an army clad in the battle dress of ancient Darius. They soon find themselves held captive by metal people. In the city of living metal, they meet Norhala, and, finally the metal emperor, himself.
Series:
Murder mystery monthly ; no. 41
OCLC:
(OCoLC)7906496
LCCN:
47020839
Locations:
OVUX522 -- University of Iowa Libraries (Iowa City)
This resource is supported by the Institute of Museum and Library Services under the provisions of the Library Services and Technology Act as administered by State Library of Iowa.