Examines spy agencies in the United States and around the world, reviewing the history of the Pinkerton detective agency, discussing the creation of the CIA, M16, KGB, and other spy groups, and telling of related agents and events. Contents: Secrets in service -- Protecting the homeland -- Spying across the pond -- On the dark side -- Rising from the ashes -- Spies like who?: a career as a spy master. Interest Level: 5-8 Reading Level: 6.1 Lexile Measure: 680 Guided Reading Level: Q.