Find out about the world of the spies and surveillance units in Undercover Operations . The book explores tactics and techniques for spying and what is like to live an undercover life. Then, discover if you've got what it takes to be a spy. Who are the people who defend their countries and what are the skills they employ to do so? Elite Defenders explores the challenging and exciting world of the armed forces, examining how members carry out their jobs, the sacrifices they make and skills they utilise to defend their countries. The series invites children to answer 'Take the Test! ' questions at the end of each chapter, to find out how much they have learnt. A high-interest and interactive series for children aged 9+.