{"product_id":"mensa-s-most-difficult-number-puzzles-9781802791884b","title":"Mensa's Most Difficult Number Puzzles","description":"\u003cspan style=\"font-weight: bold;\"\u003eProve your logical and arithmetical prowess by solving the exceptionally tricky problems in \u003cspan style=\"font-style: italic;\"\u003eMensa's Most Difficult Number Puzzles.\u003c\/span\u003e\u003c\/span\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?","brand":"Welbeck Publishing","offers":[{"title":"Bargain","offer_id":42822581780560,"sku":"9781802791884B","price":11.49,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/8173\/5760\/files\/9781802791884-l.jpg?v=1785888560","url":"https:\/\/bookoutlet.com\/fr\/products\/mensa-s-most-difficult-number-puzzles-9781802791884b","provider":"Book Outlet","version":"1.0","type":"link"}