Expert Sudoku


Book Description

Expert Sudoku is an all-new collection of handcrafted puzzles for the expert puzzle-solver. This is the book that challenges skilled solvers and Sudoku-lovers at the top level—every one of the 320 puzzles is rated "difficult." Good luck!




X-treme Sudoku


Book Description

From Nikoli, the Japanese puzzle company that created the sudoku craze, comesa title that starts at hard and goes to a level of difficulty not seen in anyprevious books.




Advanced Sudoku and Other Japanese Mind Puzzles


Book Description

Advanced Sudoku brings you another 75 of the best number puzzles in the world, as well as some more, original puzzles from the creators. Bridges, in which you must place bridges across a maze of islands and Slitherlink, where you have to fill in blocks to create a long, sweeping tunnel. All three puzzle types rely on logical thought and reasoning rather than general knowledge or brain power, making them suitable for all ages and abilities.




Genius-Level Sudoku


Book Description

Extra tricky. Extra tough. It's the sudoku collection that's not for the faint of heart. If you're craving the challenge, sharpen your pencil and pit your wits against the Japanese puzzle-makers at the top of their game. In each of these more than 300 handcrafted puzzles, ranked by difficulty from expert to x-treme to ultimate, every move is an adventure, a one-on-one challenge with a grandmaster who delights in elegance, symmetry, and building in the occasional roadblock. But keep going. You'll solve it eventually... you genius! Can't get enough? Look for: The Original Sudoku The Original Sudoku Book 2 More Original Sudoku X-treme Sudoku Expert Sudoku The Original Sudoku Page-a-Day Calendar




The Jumbo Book of Japanese Puzzles


Book Description

We are living in puzzling's golden age right now." --Will Shortz, New York Times A colossal assortment of the six most popular Japanese puzzles--Sudoku, Sodoku X, Kakuro, Masyu, Hitori, and Nurikabe--ranging in difficulty from gentle to diabolical. A collection of four hundred puzzles-six different types of mind-bending games-ranging in difficulty levels so that players of every level will be challenged. Features include a complete answer key along with short, illustrated tutorials for each game-which proves particularly useful for the less familiar challenges, including: * Hitori: The ultimate logic teaser. Begin with a complete Sudoku grid and the object is to "paint" out blocks so that no number appears twice in any row or column. * Masyu: A charming but sophisticated invention where you are required to "string" black-and-white "pearls" with a series of vertical and horizontal lines that form a continuous loop. * Nurikabe: Beginning with a grid of squares scattered with numbers seemingly placed at random, the idea is to paint the black squares to make walls, leaving patches of white behind.







Giant Logic Puzzles for Geniuses


Book Description

Are you a genius? This book features 96 full-page Japanese logic puzzles, eight each of 12 different types, to test your solving skills. Even seasoned sudoku experts will take a satisfyingly long time to complete these oversize and beautiful puzzles--many of which have elegant designs and even hidden images in the clues.




Advanced Sudoku


Book Description

Sudoku is a name for a type of number-based puzzle. Solving a Sudoku puzzle requires logic that will improve your reasoning power. In Japanese language, Su means'number', Doku means 'bachelor' or 'single'. Sudoku can be translated loosely as single number.




Extreme Sudoku Puzzle Book for Adults


Book Description

Extreme Sudoku Puzzle Book If you are an expert at Sudoku but want an extra challenge then you will love our Extreme Sudoku Puzzles. Featuring 156 Puzzles of 3 difficulties: Hard, Very Hard and Extreme This Extreme Sudoku Puzzle Book is a fun way for teens or adults to sharpen their minds and test their logic. Book Features: Loads of Puzzles 48 Hard, 54 Very Hard and 54 Extreme Large print - 2 Puzzles per page - Plenty of Space Suitable for all Levels Beginner to Expert Perfectly Sized - 7" x 10" Premium Matte Color cover design Puzzle King Publishing: Puzzle Books for Everyone!




The Hidden Logic of Sudoku


Book Description

The "Hidden Logic of Sudoku" provides the first systematic perspective of the logical symmetries of the popular game. These are fully exploited to define new graphical representations, new kinds of resolution rules and a precedence ordering of the rules consistent with their logical complexity. The set of rules defined in the book is illustrated with a hundred of puzzles together with their full resolution paths. It suffices to solve almost any puzzle without making guesses or assuming the uniqueness of a solution. It has been fed into an Artificial Intelligence (AI) engine and a large database of puzzles has been processed, leading to a precise evaluation of the efficiency of each rule. The book is intended for both advanced Sudoku players (who will discover many new facets of the game and a new, systematic approach to the resolution rules) and for teachers or students of Logic or AI (who will appreciate the strict logical foundations).