The Zeppelin's Passenger is a tale of German espionage in England during World War I. Dreymarsh is a fictional "backwater" area in England with no apparent military value. The story begins with Dreymarsh residents discovering an observation car from a German zeppelin along with a Homburg hat near Dreymarsh. The mystery is further complicated when an Englishman, Mr. Hamar Lessingham, presents himse...