Story
German Julius Reuter sends 19th-century news by carrier pigeon and then by wire, founding a news agency.
Novel
In 1915 during the First World War, a British secret agent is killed while stealing secret Turkish plans for the Gallipoli Campaign but manages to pass his information to an American journalist.
Story
The murders are committed in swift succession on board a liner crossing the Atlantic in a dense fog, and many of the passengers come under suspicion before the actual killer is bought to justice with the aid of a very substantial "ghost."
Story
A girl saves her fiancé's stabiliser plans from spies.