We have always been fascinated by spies - people who live secret and dangerous lives in the shadows. In this book, you will read about how spying has developed over the centuries - from simple codes and double agents, to hi-tech modern spies using technology to steal and sell information. If you are interested in how Queen Elizabeth's spymaster found out that there was a plan to kill her and take over the country; or how Mata Hari, a glamorous and...