{"product_id":"kakuro-cross-sums-volume-1-150-easy-to-hard-challenging-puzzles-with-solutions-9798478282738","title":"Kakuro Cross Sums Volume 1: 150 Easy to Hard Challenging Puzzles With Solutions","description":"Kakuro puzzles are the mathematical equivalent of crosswords.\u003cp\u003eThere are filled and empty cells in the grid. Some black cells contain a diagonal from top left to bottom right with numbers in them; these are clues. A number in the top right corner relates to an \"across\" clue and one in the bottom left a \"down\" clue.\u003c\/p\u003e\u003cp\u003eFill digits 1-9 in the white cells to total the clue associated with them. However no digit can be duplicated in an entry.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSuitable for ages 12 and up.\u003c\/li\u003e\n\u003cli\u003eOne puzzle per page; 150 puzzles in total.\u003c\/li\u003e\n\u003cli\u003eEasy to hard puzzles, for both novices and experts.\u003c\/li\u003e\n\u003cli\u003eSolutions included.\u003c\/li\u003e\n\u003cli\u003eTravel companion paperback.\u003c\/li\u003e\n\u003cli\u003eGuaranteed hours of fun.\u003c\/li\u003e\n\u003c\/ul\u003eOther titles in this series: Calcudoku, Mathrax, Sukrokuro, and Tenner Grid.\u003cbr\u003e","brand":"Independently Published","offers":[{"title":"Default Title","offer_id":50863557312786,"sku":"9798478282738","price":6.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0831\/4771\/8930\/files\/img_f33a96ab-0c6c-44ee-936c-92d3f2aa369c.jpg?v=1737641025","url":"https:\/\/surprise-castle.myshopify.com\/products\/kakuro-cross-sums-volume-1-150-easy-to-hard-challenging-puzzles-with-solutions-9798478282738","provider":"Surprise Castle","version":"1.0","type":"link"}