{"product_id":"mensas-most-difficult-number-puzzles","title":"Mensas Most Difficult Number Puzzles","description":"\u003cp\u003e\u003cb\u003eProve your logical and arithmetical prowess by solving the exceptionally tricky problems in Mensa''s Most Difficult Number Puzzles. \u003c\/b\u003e\u003cbr\u003e\u003cbr\u003eThis full-colour book features a huge variety of numerical conundrums that are certain to test even the most adept of puzzlers. Some puzzles – such as sum skyscraper and calcudoku – will test your mental maths, while others – such as touchy and bridges – will provide a trial for your logical and lateral thinking. Are you up to the fiendish challenge?\u003c\/p\u003e","brand":"MediaPlace","offers":[{"title":"Default Title","offer_id":57307564573054,"sku":"NW9781802791884","price":14.44,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0817\/1379\/1261\/files\/9781802791884.jpg?v=1778508934","url":"https:\/\/mediaplace.com\/products\/mensas-most-difficult-number-puzzles","provider":"MediaPlace","version":"1.0","type":"link"}