Details
PUBLISHED
[United States] : Britannica Digital Learning : Made available through hoopla, 2012
DESCRIPTION
1 online resource
ISBN/ISSN
9781615356072 (electronic bk.) MWT11663397, 161535607X (electronic bk.) 11663397
LANGUAGE
English
NOTES
World War I explores the secrets of World War I. As in all wars, each side needed to keep secrets from the enemy. At the same time, they tried to discover the enemy's secrets, using spies and code-breakers
Mode of access: World Wide Web