The ultimate mapping challenge from the world famous map makers. More fiendish mapping puzzles from Gareth Moore, author of best-selling Ordnance Survey Puzzle Book. Do you have the knowledge required to unlock the secrets of Britain's streets? 50 maps with a puzzle for each from iconic locations throughout the country including Tower of London, Warwick Castle, Old Trafford, Murrayfield Stadium and Stonehenge.Puzzle categories included are history, sport, entertainment, transport and nature. A mixture of word games, riddles, code-crackers, anagrams, trivia questions and mathematical conundrums to keep your mind working for hours.