Spies by Thea von Harbou, originally titled Spione, is a German spy thriller novel set in the world of international espionage. Published in 1927, the story follows a criminal mastermind who orchestrates a complex web of intrigue involving secret agents, government officials, and undercover spies. The protagonist, a secret agent named No. 326, is sent to uncover this shadowy figure but finds himself entangled with a mysterious woman, Sonia, who...