Discusses double agents and traitors throughout history, such as Benedict Arnold, Dusan Popov, Kim Philby, and Robert Hanssen, and includes information on becoming a spy catcher, or counterintelligence agent. Contents: Nothing is what it seems -- Dancing with danger -- More than child's play -- High-ranking spy -- In too deep -- Spies like who? Becoming a spycatcher. Interest Level: 5-8 Reading Level: 7.0 Guided Reading Level: Q.