01193cam a2200325 4500 68243120 TxAuBib 20100922120000.0 051122s2007||||||||||||||||||||||||eng|u 2005033043 9780822559344 082255934X DLC DLC IG# BAKER XL4 BTCTA UKM DLC TxAuBib Fridell, Ron. Spy technology / Ron Fridell. Minneapolis, Minn : Lerner Publications, 2007. 48 p. : ill. (some col.) ; 27 cm. Cool science Includes bibliographical references (p. 45-46) and index. Spy tech that watches -- Spy tech that listens -- Secret messages -- Dangerous missions -- Future spy tech. Learn about new tools for spies. 20100922. Espionage Technological innovations Juvenile literature. Espionage. Espionage. Juvenile literature. Spies Juvenile literature. Spies. Cool science. https://catdir.loc.gov/catdir/toc/ecip063/2005033043.html Spies.