Barton's book offers a thrilling account of espionage and intrigue during World War I. From Mata Hari to the Zimmermann Telegram, he explores the most famous spy cases of the time and sheds light on some of the war's greatest mysteries. A must-read for anyone interested in the history of espionage and wartime intrigue. This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization...