01259cam a2200313 4500 64883689 TxAuBib 20100726120000.0 051122s2007||||||||||||||||||||||||eng|u 2005033043 9780822559344 lib. bdg. : alk. paper 082255934X lib. bdg. : alk. paper TxAuBib Fridell, Ron. Spy technology / by Ron Fridell. Minneapolis, Minn : Lerner Publications Co., 2007. 48 p. : ill. ; 25 cm. Cool science Includes bibliographical references and index. Spy tech that watches -- Spy tech that listens -- Secret messages -- Dangerous missions -- Future spy tech. Accelerated Reader AR MG 5.8 1.0 106851. 20100726. Espionage Technological innovations Juvenile literature. Espionage Technological innovations. Spies Effect of technological innovations on Juvenile literature. . Spies Effect of technological innovations on. Cool science. https://catdir.loc.gov/catdir/toc/ecip063/2005033043.html