Provides a well-documented, fascinating survey of threats to Canada s national security, from the Gouzenko affair, which triggered the Cold War, to recent cases of terrorism & industrial espionage, which usher in a new age of high-tech spying & sabotage. The characters featured include Hugh Hambleton, an unassuming professor who brought glamour to his life by giving secrets to the Soviets; Rudi Hermann, who ran a popular restaurant in Toronto & after hours operated the KGB s North Amer. spy network; & Stephen Ratkai who was caught buying info.on submarine surveillance from an undercover agent.