{"product_id":"hard-sudoku-puzzle-book-for-adults-hard-to-extreme-very-hard-and-extremely-hard-sudoku-total-300-sudoku-puzzles-to-solve-large-print-9798651215973","title":"Hard Sudoku Puzzle Book for Adults: Hard to extreme: Very Hard and Extremely Hard Sudoku - Total 300 Sudoku puzzles to solve ( Large Print )","description":"Hard Sudoku Puzzle Book for Adults\u003cp\u003eThis \u003cb\u003e sudoku book \u003c\/b\u003e is a perfect tool to train memory and logic and increase concentration. It's the perfect gift for all sudoku fans. \u003cbr\u003eThe interest of the game lies in the simplicity of its rules, but in the complexity of its solutions. All puzzles have a unique logical solution. All answers are included at the end of the book. The level of problems has been carefully \u003cbr\u003e Level Hard to extreme assessed 4 problems per page\u003c\/p\u003e\u003cbr\u003eTotal 300 sudoku puzzles: \u003cbr\u003e\u003cul\u003e\n\u003cli\u003e50 hard sudoku \u003c\/li\u003e\n\u003cli\u003e50 Difficult sudoku \u003c\/li\u003e\n\u003cli\u003e100 very hard sudoku ( Insane ) \u003c\/li\u003e\n\u003cli\u003e100 extremely hard sudoku ( Inhuman ) \u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e","brand":"Independently Published","offers":[{"title":"Default Title","offer_id":50377893052690,"sku":"9798651215973","price":5.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0831\/4771\/8930\/files\/img_f4ee58f3-351a-4a05-b972-ebf95ef4e250.jpg?v=1728634936","url":"https:\/\/surprise-castle.myshopify.com\/products\/hard-sudoku-puzzle-book-for-adults-hard-to-extreme-very-hard-and-extremely-hard-sudoku-total-300-sudoku-puzzles-to-solve-large-print-9798651215973","provider":"Surprise Castle","version":"1.0","type":"link"}