There is no going back, Agent. Once you enter this book your training will begin as you join the secret world of spies. You'll rise through the ranks from recruit to secret agent, learning a host of skills to put into covert operation immediately. Get the scoop on some of the biggest agencies in the world, discover the coolest gadgets out there, crack some fiendish codes and lots more. Join us now, we'll take you deeper undercover as you prepare to be a real spy! For readers aged 8 years and up.