Spying and security
Popularity 3
"Describes the role spies and police played around the world during World War II, from controlling riots to gathering intelligence from the enemy"--Provided by publisher.
CryptographySpiesSecret serviceWorld War, 1939-1945Juvenile literatureEspionageHistoryWorld War (1939-1945) fast (OCoLC)fst01180924World war, 1939-1945, juvenile literatureWorld war, 1939-1945, secret serviceEspionage, juvenile literatureSpies, juvenile literature