{"product_id":"the-most-difficult-math-tests-prove-your-arithmetic-prowess-by-solving-these-tough-numerical-puzzles-9781787396302","title":"The Most Difficult Math Tests: Prove Your Arithmetic Prowess by Solving These Tough Numerical Puzzles","description":"\u003cp\u003e\u003cb\u003e\u003ci\u003eThe Most Difficult Math Tests\u003c\/i\u003e provides an exceptional challenge for even the most adept of puzzlers.\u003c\/b\u003e\u003c\/p\u003e \u003cp\u003e All aspects of arithmetical thinking are tested by the world's finest puzzle-setters. With puzzles ranging from killer Sudoku to numerical crosswords, this colourful puzzle book will keep you entertained for hours. \u003c\/p\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cb\u003eAbout the Author\u003c\/b\u003e\u003cbr\u003e\u003cb\u003e\u003ci\u003eMoore, Gareth:\u003c\/i\u003e\u003c\/b\u003e - \u003cb\u003eDr Gareth Moore\u003c\/b\u003e is one of the world's leading puzzle-setters, with more than 750,000 book sales to his name. He is the author of more than 75 international brain-training titles including the best-selling puzzle book \u003ci\u003eThe Ordnance Survey Puzzle Book\u003c\/i\u003e, which has sold more than 120,000 copies in the UK. He is also the creator of Brained Up, a cutting-edge brain training site offering scientifically designed daily sessions to help you make the most of your brain.","brand":"Welbeck Publishing","offers":[{"title":"Default Title","offer_id":50441117434130,"sku":"9781787396302","price":9.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0831\/4771\/8930\/files\/img_8fa91d1a-1fed-4f65-a303-462bc3229d26.jpg?v=1729664030","url":"https:\/\/surprise-castle.myshopify.com\/products\/the-most-difficult-math-tests-prove-your-arithmetic-prowess-by-solving-these-tough-numerical-puzzles-9781787396302","provider":"Surprise Castle","version":"1.0","type":"link"}