{"product_id":"big-book-killer-sudoku-500-easy-to-master-puzzles-9x9-volume-1-9781727131291","title":"Big Book Killer Sudoku - 500 Easy to Master Puzzles 9x9 (Volume 1)","description":"\u003cb\u003eKiller Sudoku\u003c\/b\u003e (also called \"\u003ci\u003eSums Sudoku\u003c\/i\u003e\", \"\u003ci\u003eSums Number Place\u003c\/i\u003e\", \"\u003ci\u003eSamunamupure\u003c\/i\u003e\", \"\u003ci\u003eKikagaku Nampure\u003c\/i\u003e\") is a puzzle that combines elements of \u003ci\u003eSudoku\u003c\/i\u003e and \u003ci\u003eKakuro\u003c\/i\u003e. \u003cp\u003e\u003c\/p\u003eDespite the name, the simpler killer sudokus can be easier to solve than regular sudokus, depending on the solver's skill at mental arithmetic, the hardest ones, however, can take hours to crack. \u003cp\u003e\u003c\/p\u003eIn Killer Sudoku, sub-regions have specified sums, and no number can be repeated within a region. \u003cp\u003e\u003c\/p\u003eThe puzzle books series contain: \u003cbr\u003e- 125 Easy Puzzles\u003cbr\u003e- 125 Normal Puzzles\u003cbr\u003e- 125 Hard Puzzles\u003cbr\u003e- 125 Master Puzzles\u003cbr\u003e- Handy 6 x 9 inch Book Layout\u003cbr\u003e- 6 Puzzles per Page\u003cbr\u003e- Ideal for both Beginners and Experts. \u003cp\u003e\u003c\/p\u003eThe book is for those who like logic and math problems. Decide, developing and improving.\u003cbr\u003e","brand":"Createspace Independent Publishing Platform","offers":[{"title":"Default Title","offer_id":51500335038738,"sku":"9781727131291","price":7.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0831\/4771\/8930\/files\/img_a21dfdf4-8333-4a91-bd40-3be521095080.jpg?v=1753189972","url":"https:\/\/surprise-castle.myshopify.com\/products\/big-book-killer-sudoku-500-easy-to-master-puzzles-9x9-volume-1-9781727131291","provider":"Surprise Castle","version":"1.0","type":"link"}