{"product_id":"9781802791884","title":"Mensa's Most Difficult Number Puzzles : Prove your logical and numerical abilities against 200 fiendish problems by Moore, Dr. Gareth","description":"Paperback \/ softback\u003cbr\u003eIndoor games\u003cbr\u003e9781802791884\u003cbr\u003eProve your logical and arithmetical prowess by solving the exceptionally tricky problems in Mensa's Most Difficult Number Puzzles. This 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?\u003cbr\u003e ","brand":"The Book Elephant","offers":[{"title":"Default Title","offer_id":50733568524621,"sku":"9781802791884","price":16.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0829\/0808\/6605\/files\/9781802791884.jpg?v=1734627751","url":"https:\/\/thebookelephant.co.uk\/products\/9781802791884","provider":"The Book Elephant","version":"1.0","type":"link"}