by Martha London (Author)

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. Additional features include a Fast Facts spread, critical thinking questions, a phonetic glossary, resources for further study, and an index.