The ultimate mapping challenge from the world's leading atlas makers. More fiendish mapping puzzles from Gareth Moore, author of best-selling Ordnance Survey Puzzle Book. Test your geographical knowledge on countries, capitals, rivers, mountains and much more. 50 maps with a puzzle for each from locations throughout the world. Puzzle categories included are history, travel, nature, politics and climate.A mixture of word games, riddles, code-crackers, anagrams, trivia questions and mathematical conundrums to keep your mind working for hours.