{"product_id":"the-times-killer-su-doku-6-150-challenging-puzzles-from-the-times-1","title":"The Times Killer Su Doku 6: 150 challenging puzzles from The Times","description":"\u003cp\u003eThe puzzles use the same 9x9 grid as Su Doku but with an added mathematical challenge. The aim is not only to complete every row, column and cube so that it contains the digits 1-9, it is also necessary to ensure that the outlined cubes add up to the same number as well. \u003c\/p\u003e\u003cp\u003e With 150 new Tough and Deadly Killer Su Doku puzzles, there is no chance to ease yourself in with easy puzzles. For those who like to live dangerously and push beyond their mental comfort zone, steel yourself for The Times′ toughest collection yet.\u003c\/p\u003e","brand":"The Times Mind Games","offers":[{"title":"Trade Paperback","offer_id":52343830741298,"sku":"9780007319695","price":7.96,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0988\/7934\/0850\/files\/9780007319695_0bdc202f-554b-460b-9a9c-4a0bd02711e5.jpg?v=1790297256","url":"https:\/\/53rdstreetbooks.com\/products\/the-times-killer-su-doku-6-150-challenging-puzzles-from-the-times-1","provider":"53rd Street Books","version":"1.0","type":"link"}