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From krazydad, constructor of the wildly popular and addictive puzzles published in The New York Times as Two Not Touch, here are 360 of your favorite Star Battle puzzles. These puzzles will provide a healthy diversion for you in these challenging times, and help you make it to the other side with your sanity intact! Includes an instructive and pithy tutorial.
The first in a new series: hard puzzles for serious sudoku solvers. Do you have what it takes? These 200 challenging sudoku puzzles from Will Shortz will keep your mind sharp! Features: - 200 hard puzzles - Big grids for easy solving - Introduction by legendary Puzzlemaster Will Shortz
Can't get enough of Sudoku? This book is for you! It contains three hundred challenging and devilishly difficult Sudoku puzzles in a portable paperback. Features: - 300 hard Sudoku puzzles - Big grids for easy solving - Edited by legendary puzzlemaster Will Shortz
This is our TOP CHOICE SUDOKU BOOK for 2020! Welcome to this Sudoku book, full with DIFFICULT LEVEL SUDOKU PUZZLES, which makes it a GREAT GIFT IDEA for those who are experience nad like a real Sudoku challenge. There are so many ways to spell or misspell SUDOKU, but there is only one way to play it! And with this book, you will certainly be challenged, because it contains HARD level puzzles, something that will require you to think a little while you solve. This book is suitable for those who have already had some experience with solving Sudoku puzzles and want to step up and try something slightly more challening. Djape has provided an explanation of all solving techniques for you in the introduction, just to make sure you know what to do. IMPORTANT: there is a FREE BONUS which comes with this book. Find it inside! So... Are you ready to provide your brain with some mental exercise?
With their stylish design, Pocket Size Puzzles series is bound to be the books every puzzle fan will want to be seen solving this season. Edited by puzzlemaster Will Shortz, this handsome book offers 100 hard sudoku puzzles in a convenient portable size. Features: - 100 hard puzzles - Perfect portable size - A great gift for any holiday
When you buy this book you get an electronic version (PDF file) of the interior of this book. Become a master in solving Binary Puzzles. You will experience Binary Puzzles with a 10x10, 12x12 and 14x14 grid size. You get the perfect mix of different sizes of Binary Puzzles to keep you entertained for weeks. After solving all the puzzles in this book, you will be a Binary Puzzles Pro. You start with easy Binary Puzzles, which keep getting bigger and bigger and you gradually build your way up to extremely hard Binary Puzzles. Once you pick up this book, you won't be able to put it back down. You have been warned! Binary Puzzles Mixed Grids - Easy to Hard is a collection of 276 puzzles: 24 easy Binary Puzzles per grid size, totaling 72 easy puzzles 24 medium Binary Puzzles per grid size, totaling 72 medium puzzles 24 hard Binary Puzzles per grid size, totaling 72 hard puzzles 60 extra logic puzzles The goal of a Binary Puzzle is to fill in the grid with the numbers 0 and 1 according to the following rules: There are as many ones as zeros in every row and every column (or one more for odd sized grids). No more than two of the same number can be next to or under each other. Each row is unique, and each column is unique. I guarantee that every logic puzzle in this Binary Puzzle book has been carefully checked to ensure that each puzzle has only 1 solution. None of the puzzles in this book will appear in any of the other PuzzleBooks.net books. Binary Puzzles are also known as Takuzu, Tohu wa Vohu and Binero.
The objective of Sudoku is to fill every row, column and box (3x3grid) with numbers 1-9 and each row, column, and box must have each number exactly once.Playing Sudoku is not just a fun way to pass the time, due to its logical elements it has been found as a proven method of exercising and stimulating portions of your brain, training it even, if you will and just like training any other muscle regularly you can expect to see an improvement in cognitive functions. Some studies go as far as indicating regular puzzles can even help reduce the risk of Alzheimer's and other health problems in later life.As a logic puzzle, Sudoku is also an excellent brain game. If you play Sudoku daily, you will soon start to see improvements in your concentration and overall brain power. The popular puzzle game Sudoku is based on the logical placement of numbers. Sudoku doesn’t require any calculation nor special math skills; all that is needed are brains and concentration.Playing Sudoku might give you the little mental break that you need in order to come back to your daily work and other life challenges with new energy.
When you buy this book you get an electronic version (PDF file) of the interior of this book. Become a master in solving Hyper Sudoku 9x9. After solving all the puzzles in this book, you will be a Hyper Sudoku Pro. You start with easy Hyper Sudoku puzzles and you gradually build your way up to extremely difficult Hyper Sudoku puzzles. Once you pick up this book, you won't be able to put it back down. You have been warned! Hyper Sudoku 9x9 - Easy to Extreme is a collection of 276 puzzles: 54 easy Hyper Sudoku 9x9 puzzles 54 medium Hyper Sudoku 9x9 puzzles 54 hard Hyper Sudoku 9x9 puzzles 54 extreme Hyper Sudoku 9x9 puzzles 60 extra logic puzzles The goal of Hyper Sudoku is to fill in the empty cells, one number in each, so that each column, row, and region contains each number exactly once. Furthermore, Hyper Sudoku contains four colored regions, each colored region contains each number exactly once. I guarantee that every logic puzzle in this Hyper Sudoku puzzle book has been carefully checked to ensure that each puzzle has only 1 solution. None of the puzzles in this book will appear in any of the other PuzzleBooks.net books. Hyper Sudoku is also known as Windoku, Four-Box Sudoku, Hypersudoku, NRC Sudoku and Four-Square Sudoku.
When you buy this book you get an electronic version (PDF file) of the interior of this book. Become a master in solving Non-Consecutive Sudoku. After solving all the puzzles in this book, you will be a Non-Consecutive Sudoku Pro. You start with easy Non-Consecutive Sudoku puzzles and you gradually build your way up to extremely difficult Non-Consecutive Sudoku puzzles. Once you pick up this book, you won't be able to put it back down. You have been warned! Non-Consecutive Sudoku - Easy to Extreme is a collection of 276 puzzles: 54 easy Non-Consecutive Sudoku puzzles 54 medium Non-Consecutive Sudoku puzzles 54 hard Non-Consecutive Sudoku puzzles 54 extreme Non-Consecutive Sudoku puzzles 60 extra logic puzzles The goal of Non-Consecutive Sudoku is to fill in the empty cells, so that each column, row, and region contains each number exactly once. Furthermore, no two adjacent cells have consecutive values. For example, if a cell contains 3, then any neighboring square cannot contain either 2 or 4. I guarantee that every logic puzzle in this Non-Consecutive Sudoku puzzle book has been carefully checked to ensure that each puzzle has only 1 solution. None of the puzzles in this book will appear in any of the other English PuzzleBooks.net books.
When you buy this book you get an electronic version (PDF file) of the interior of this book. Become a master in solving Outside Sudoku. After solving all the puzzles in this book, you will be a Outside Sudoku Pro. You start with easy Outside Sudoku puzzles and you gradually build your way up to extremely difficult Outside Sudoku puzzles. Once you pick up this book, you won't be able to put it back down. You have been warned! Outside Sudoku - Easy to Extreme is a collection of 276 puzzles: 54 easy Outside Sudoku puzzles 54 medium Outside Sudoku puzzles 54 hard Outside Sudoku puzzles 54 extreme Outside Sudoku puzzles 60 extra logic puzzles The goal of Outside Sudoku is to fill in the empty cells, one number in each, so that each column, row, and region contains each number exactly once. Some digits are given outside the grid. These digits must appear in the first three cells in the corresponding direction. I guarantee that every logic puzzle in this Outside Sudoku puzzle book has been carefully checked to ensure that each puzzle has only 1 solution. None of the puzzles in this book will appear in any of the other English PuzzleBooks.net books.