BECOME A TOP SECRET CODEBREAKER! Welcome to Bletchley Park, once the top-secret home of the Second World War codebreakers. Here, some of the greatest minds helped crack near-impossible codes and ciphers. You can join them . . . Flex your mental agility, crack cryptic crosswords, exercise your mind with clever brain games, test yourself with word and number puzzles, and see if you can make it into the history books as a Bletchley Park codebreaker. Along the way, you'll learn all about the role of Bletchley Park and the rich history of codebreaking - from the Romans and Greeks, to Mary Queen of Scots and twentieth-century spy technology. You will meet incredible individuals, including university graduates, chess champions, poets and musicians who worked at Bletchley Park. And you will discover all about their top secret work - including outsmarting the Enigma! With well over 80 puzzles, this is the perfect gift book for curious kids. So grab your family and friends - and get puzzling!