{"product_id":"expert-number-crunch-puzzle","title":"Expert Number Crunch Puzzle","description":"\u003cp\u003e\u003cb\u003ePublished in association with the Turing Trust, this challenging  collection of number crunch puzzles will really put your numerical skills to the test.\u003c\/b\u003e\u003cbr\u003e\u003cbr\u003eFollow in the footsteps  of famous World War II codebreaker Alan Turing who used impeccable logic  to decipher the military codes used by Germany and its allies. These expert puzzles offer a tough but enjoyable metal work-out, with puzzles in three levels of difficulty.  Starting at the top with the number provided, your challenge is work downwards from one box to another, applying the mathematical instructions to your running total until you reach a final answer. You can write the answer to each step down, or to really stretch yourself, keep the running total in your head, which is easier said than done!\u003cbr\u003e\u003cbr\u003eThis  book includes a foreword written by Sir Dermot Turing, nephew of Alan  Turing and trustee of the former British codebreaking HQ, Bletchley  Park. Sales of these books support the work of The Turing Trust, a  charity set up by Alan Turing''s family which provides much needed  computers to schools in Africa.\u003cbr\u003e\u003cbr\u003e              \u003cb\u003eABOUT THE SERIES:\u003c\/b\u003e  The Turing Tests are a series of innovative puzzle books, inspired by  the ingenious problem-solving skills of World War II codebreaker Alan  Turing. Each title includes a variety of compelling puzzle types  designed to challenge and stretch your mind. Do you have what it takes  to solve them all?\u003c\/p\u003e","brand":"MediaPlace","offers":[{"title":"Default Title","offer_id":57310566613374,"sku":"NW9781398808287","price":8.28,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0817\/1379\/1261\/files\/9781398808287.jpg?v=1778576880","url":"https:\/\/mediaplace.com\/products\/expert-number-crunch-puzzle","provider":"MediaPlace","version":"1.0","type":"link"}