The Ordnance Survey Puzzle Book (Pit your wits against Britain's greatest map makers from your own home!),The Ordnance Survey Puzzle Book (Pit your wi

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Are YOU the ultimate map-reader? Do you know your trig points from your National Trails? Can you calculate using contours? And can you fathom exactly how far the footpath is from the free house? Track down hidden treasures, decipher geographical details and discover amazing facts as you work through this unique puzzle book based on 40 of the Ordnance Survey''s best British maps. Explore the first ever OS map made in 1801, unearth the history of curious place names, encounter abandoned Medieval villages and search the site of the first tarmac road in the world. With hundreds of puzzles ranging from easy to mind-boggling, this mix of navigational tests, word games, code-crackers, anagrams and mathematical conundrums will put your friends and family through their paces on the path to becoming the ultimate map-master!