Notes

"Projects, quizzes, fun facts, cartoons"--Cover Table of contents: What is a spy? -- The reasons for spying -- Spying in the past -- World at war -- The Cold War -- Networks and organizations -- Recruitment and training -- Assembling a team -- Listening in -- Keeping watch -- Secrets of concealment -- Disguises and covers -- Hidden messages -- Codes and ciphers -- Death and danger -- Weapons and gadgets -- From the air -- Watching the world -- Hacking in -- How to catch a spy -- Famous in fiction