The ultimate mapping challenge from the world's leading atlas makers. More fiendish mapping quizzes and puzzles from Gareth Moore, author of best-selling Ordnance Survey Puzzle Book. Test your geographical knowledge on countries, capitals, rivers, mountains and much more. Challenge your knowledge of world themes from climate to health. How well do you know your country outlines, flags, capital cities and population?A mixture of word games, trivia questions, brain teasers, anagrams and mathematical conundrums to keep your mind working for hours.Includes a unique world crossword with more than 150 clues.