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.
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Details
ISBN: 9781848377004 (lib. bdg.)
Physical Description:46 p. : ill., col. map ; 28 cm.print
Publisher:Mankato, Minn. : Arcturus, 2010.
Bibliography, etc. Note: Includes bibliographical references (p. 45) and index.