Second Printing. Scarce title. Illustrated. Mystery novel set during the First World War and concerning the German Secret Service. "There are wild rides by motor, train and boat; gun duels in hotels, on roof tops, in railway stations; intrigue, mystery, play of wits - American brains and courage against German cunning and Machiavellism". Almost Near Fine, small stain at page fore-edge, in Very Good attractive dustjacket.
Jazz Age and Depression Era Literature & Non-Fiction