Pssst! Want to know what spies do? This book can tell you. Don't just take our word for it. In a famous spy trial at the Old Bailey in September 1993, Soviet spy Oleg Gordievsky agreed that an Usborne spy book, the KnowHow Book of Spycraft, gave away the KGB's tricks of the trade. The case made national headlines. Here's what the papers had to say. "Children's book reveals KGB spy 'tradecraft'" --The Independent; "Book packed with secret know-how" --Daily Mail; "cloak and dagger book for the young reveals tactics of espionage, jury told" --Daily Express.