Explores the secrets of World War I as each side tried to keep secrets from the enemy while while trying to discover their enemy's secrets using spies and code-breakers.
Details
ISBN:9781848377004 (lib. bdg.)
Physical Description:46 p. : ill., col. map ; 28 cm.
Publisher:Mankato, Minn. :Arcturus,2010.
Bibliography, etc. Note:
Includes bibliographical references (p. 45) and index.