{"product_id":"killer-sudoku-adventures-500-sum-sudoku-puzzles-for-adults-easy-to-hard-paperback","title":"Killer Sudoku Adventures: 500 Sum Sudoku puzzles for adults (easy to hard) - Paperback","description":"\u003cp\u003eby \u003cb\u003eSomatomint\u003c\/b\u003e (Author)\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e500 Puzzles of Killer Sudoku that will take you into an adventure \u003cbr\u003eof 10 Difficulty levels from Easy to Hard.\u003c\/strong\u003e \u003c\/p\u003e\u003cp\u003e\u003c\/p\u003eAnswers to all the puzzles are included at the end of the book. \u003cp\u003e\u003c\/p\u003eKiller Sudoku unique sum cheat sheet included inside the book \u003cp\u003e\u003c\/p\u003e\u003cstrong\u003eWhat is killer Sudoku and how to solve?\u003c\/strong\u003e\u003cbr\u003eKiller Sudoku tests your arithmetic skills. It was scientifically proven that mathematical games keep your brain active and help to fight neurodegenerative diseases. \u003cp\u003e\u003c\/p\u003e\u003cstrong\u003eFor Killer Sudoku: \u003c\/strong\u003eit starts with an empty grid and only given the sum of caged cells written in small font on the upper left corner of the cage. \u003cbr\u003e\u003cp\u003eNo number can be repeated in any row, column, region or cage. You have to work out the summation and find the numbers in the cage, region, row, and columns. \u003cbr\u003eOf course, you will use every tip and trick used for traditional Sudoku and more. \u003c\/p\u003e\u003cp\u003e\u003c\/p\u003eThere are many tips to solve traditional Sudoku especially elimination and exclusion and logic. But for killer Sudoku, the rule of 45 and unique sum are the most important clues to solve the puzzles. \u003cp\u003e\u003c\/p\u003e\u003cstrong\u003eWhat is the rule of 45?\u003c\/strong\u003e\u003cbr\u003eEvery row has a sum of 45, and every column has a sum of 45 and every region has a sum of 45. \u003cp\u003e\u003c\/p\u003e\u003cstrong\u003eWhat is the rule of the unique sum?\u003c\/strong\u003e\u003cbr\u003eBecause numbers cannot be repeated in any cage, that makes some numbers have a unique sum. E.g. 4=1+3 as 2+2 is not possible. \u003cbr\u003e\u003cp\u003e\u003cbr\u003e\u003cstrong\u003eMore instruction and tips can be found inside the book.\u003c\/strong\u003e \u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e\u003cstrong\u003eFeatures: \u003cbr\u003e\u003c\/strong\u003e\u003cul\u003e\n\u003cli\u003eSize: 8 x 11.5 inch (large size) with softcover and paperback binding so easy store and use. \u003c\/li\u003e\n\u003cli\u003ePages: 175 pages with four puzzles per page. Total 500 different puzzles. \u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003ePlus the solutions of all the puzzles at the end with Killer Sudoku unique sum cheat sheet included.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cbr\u003e\u003cstrong\u003eSolving Killer Sudoku puzzles is a travel adventure between the numbers, are you ready?. Scroll up and order your copy\u003c\/strong\u003e. \u003c\/p\u003e\u003cdiv\u003e\n\u003cstrong\u003eNumber of Pages:\u003c\/strong\u003e 176\u003c\/div\u003e\u003cdiv\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 0.38 x 11 x 8.5 IN\u003c\/div\u003e\u003cdiv\u003e\n\u003cstrong\u003ePublication Date:\u003c\/strong\u003e May 12, 2020\u003c\/div\u003e","brand":"Books by splitShops","offers":[{"title":"Default Title","offer_id":42162747637895,"sku":"9798645278113","price":13.09,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0601\/2623\/2711\/files\/e23f60a9b1c12315dc63321e0d772f5c.webp?v=1733291928","url":"https:\/\/booksby.splitshops.com\/products\/killer-sudoku-adventures-500-sum-sudoku-puzzles-for-adults-easy-to-hard-paperback","provider":"Books by splitShops","version":"1.0","type":"link"}