Gives readers a thrilling, behind-the-scenes look into how World War I spies gathered information for the Allied and Central powers. Learn about the tools that daring spies used during this conflict, and how spies such as Louise de Bettignies and Edith Cavell worked in secret to help their side win the war.
Content Note
Fast facts -- Louise de Bettignies -- Franz von Rintelen -- Martha Cnockaert -- Edith Cavell -- Think about it.