Everything a good spy needs to know about secret codes, disguises, shadowing and observation skills. This essential guide to spying is packed with useful skills and tips, such as shaking off a trail, scrambling secret messages and creating amazing disguises. Spies in training can use the activity pages to create camouflage headbands, decode messages and spot enemy spies in crowds of people. A brand new edition of a much-loved Usborne classic, sure to entertain and delight a brand new generation of spies.