New York: Mitchell Kennerley, 1915.
First Edition; First Printing. Hardcover. Very Good- with no dust jacket. Item #9018
Light tone, light wear, owner's signature on front free endpaper. Solid hardcover. ; Allen J Hubin; Crime Fiction IV 1749-2000: A Comprehensive Bibliography; page 1547. Geoffrey D Smith; American Fiction 1901-1925: A Bibliography; V-226. Despite the content, not in Bleiler or in Reginald. Written two years before the entry of the United States in World War I, this espionage thriller has an American inventor of knock-out gas ending the Great War. Uncommon first edition, first printing of Voûte's only thriller. ; 362 pages.