{"product_id":"hard-killer-sudoku-100-oliver-hammond-9798598131442","title":"Hard Killer Sudoku - 100 Challenging Puzzles: Sums Sudoku Puzzle Book for Adults - Very Difficult Sudoku Variant for Experts - Perfect Travel Companio","description":"100 Hard Killer Sudoku Puzzles\u003cp\u003eJust like classic Sudoku, Killer Sudoku(also called killer su doku, sumdoku, sum doku, sumoku, addoku, or samunamupure)is a number placing puzzle game based on a grid with 9x9 cells. The object of the game is to place number1 to 9 in the empty cells so that each row, each column, and 3x3 box contains the same number only once. Besides, the sum of all numbers in a cage must match the small number printed in the corner, and the filled-in digits must be different.\u003c\/p\u003e\u003cp\u003eIn this pocket-size puzzle book, we've included \u003cb\u003e100 really challenging puzzles\u003c\/b\u003e.\u003c\/p\u003e\u003cp\u003eWith the unique matte finish book cover, this book can be a great gift for family members, friends, and co-workers, especially those who love playing Sudoku and want to try a \u003cb\u003edifferent and difficultSudoku style\u003c\/b\u003e.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eAdd to cart now\u003c\/b\u003e.\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e\u003cbr\u003e\u003cbr\u003e\u003cb\u003eAuthor:\u003c\/b\u003e Oliver Hammond\u003cbr\u003e\u003cb\u003eISBN-10:\u003c\/b\u003e 859813144X\u003cbr\u003e\u003cb\u003eISBN-13:\u003c\/b\u003e 9798598131442\u003cbr\u003e\u003cb\u003ePublisher:\u003c\/b\u003e Independently Published\u003cbr\u003e\u003cb\u003eLanguage:\u003c\/b\u003e English\u003cbr\u003e\u003cb\u003ePublished:\u003c\/b\u003e 01\/21\/2021\u003cbr\u003e\u003cb\u003ePages:\u003c\/b\u003e 68\u003cbr\u003e\u003cb\u003eFormat:\u003c\/b\u003e Paperback\u003cbr\u003e\u003cb\u003eWeight:\u003c\/b\u003e 0.23lbs\u003cbr\u003e\u003cb\u003eSize:\u003c\/b\u003e 9.00h x 6.00w x 0.14d","brand":"Oliver Hammond","offers":[{"title":"Paperback","offer_id":43944216101119,"sku":"9798598131442","price":6.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/2982\/9887\/products\/img_1fe2440d-4719-4a32-9446-d97fb8100572.jpg?v=1681502432","url":"https:\/\/www.whiterainbookhouse.com\/products\/hard-killer-sudoku-100-oliver-hammond-9798598131442","provider":"WR Book House","version":"1.0","type":"link"}