{"product_id":"the-times-ultimate-killer-su-doku-book-12-9780008342937","title":"The Times Ultimate Killer Su Doku: Book 12","description":"\u003ch2\u003eThe Times Ultimate Killer Su Doku: Book 12\u003c\/h2\u003e\n\n\u003cp\u003eThe Times Ultimate Killer Su Doku Book 12 delivers the most challenging Killer Sudoku puzzles available. This collection contains 200 diabolically difficult puzzles specifically compiled for experienced solvers seeking the ultimate brain-testing challenge.\u003c\/p\u003e\n\n\u003ch2\u003e200 Deadly Killer Sudoku Puzzles\u003c\/h2\u003e\n\n\u003cp\u003eThis volume features two difficulty levels to push your puzzle-solving skills to their limits. Begin with 100 Deadly Killer puzzles to warm up your strategic thinking, then advance to 100 Extra Deadly Su Dokus that demand absolute concentration and advanced solving techniques.\u003c\/p\u003e\n\n\u003ch2\u003eKiller Sudoku Challenge Format\u003c\/h2\u003e\n\n\u003cp\u003eThese puzzles use the standard 9x9 grid familiar to Sudoku enthusiasts but incorporate an additional mathematical element that significantly increases the complexity. Each puzzle requires you to complete every row, column, and 3x3 cube with digits 1 to 9. The added challenge comes from outlined sections called cages, which must sum to specific target numbers indicated within each cage.\u003c\/p\u003e\n\n\u003ch2\u003eExpert-Level Difficulty\u003c\/h2\u003e\n\n\u003cp\u003eWarning: Not suitable for amateur puzzlers. The Times has designed this collection exclusively for advanced Sudoku solvers who have mastered regular and intermediate Killer Sudoku puzzles. These Ultimate Killer Su Dokus require sophisticated solving strategies, pattern recognition, and mathematical reasoning beyond standard puzzle books.\u003c\/p\u003e\n\n\u003ch2\u003eThe Times Mind Games Quality\u003c\/h2\u003e\n\n\u003cp\u003ePublished by Times Books UK in April 2020, this paperback edition maintains The Times' reputation for premium puzzle quality. Each puzzle has been carefully crafted and tested to ensure a fair yet formidable challenge that rewards logical thinking and persistence.\u003c\/p\u003e\n\n\u003ch2\u003ePerfect for Dedicated Puzzlers\u003c\/h2\u003e\n\n\u003cp\u003eIf you've exhausted easier Killer Sudoku collections and crave puzzles that truly test your mettle, Book 12 in The Times Ultimate Killer Su Doku series provides the demanding mental workout you're seeking. Each puzzle offers hours of intense concentration and the satisfaction of conquering genuinely difficult challenges.\u003c\/p\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cb\u003eAbout the Author\u003c\/b\u003e\u003cbr\u003e\u003cp\u003ePrepare yourself for the toughest Su Doku challenge there is. These diabolically difficult Ultimate Killer Su Doku puzzles will really put your brainpower to the test as you \"warm up\" with the 100 Deadly Killer puzzles before steeling yourself to take on the 100 Extra Deadly Su Dokus. Are you ready for the challenge? The puzzles use the same 9x9 grid as a regular Su Doku, but have an extra mathematical element that multiplies the challenge. The aim is not only to complete every row, column and cube so that it contains the digits 1 to 9, but also to make sure that the outlined sections, called cages, add up to the number given in each cage. Warning: Not suitable for amateur puzzlers!\u003c\/p\u003e\u003cbr\u003e","brand":"Times Books UK","offers":[{"title":"Default Title","offer_id":50493493903634,"sku":"9780008342937","price":10.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0831\/4771\/8930\/files\/img_9b346207-0727-4647-9188-5cbaffd4b214.jpg?v=1730649828","url":"https:\/\/surprise-castle.myshopify.com\/products\/the-times-ultimate-killer-su-doku-book-12-9780008342937","provider":"Surprise Castle","version":"1.0","type":"link"}