Author: Nick Snels
Publisher: PuzzleBooks.net
ISBN: 1507502370
Category : Games & Activities
Languages : en
Pages : 310
Book Description
When you buy this book you get an electronic version (PDF file) of the interior of this book. Become a master in solving Star Sudoku. After solving all the puzzles in this book you will be a Star Sudoku Pro. You start with easy Star Sudoku puzzles and you gradually build your way up to extremely difficult Star Sudoku puzzles. Once you pick up this book, you won't be able to put it back down. You have been warned! Only 1 large print puzzle per page, with lots of white space for scribbling. Star Sudoku Large Print - Easy to Extreme is a collection of 276 puzzles: 54 easy Star Sudoku puzzles 54 medium Star Sudoku puzzles 54 hard Star Sudoku puzzles 54 extreme Star Sudoku puzzles 60 extra logic puzzles Star Sudoku consists of six large triangles. You must place the numbers 1-9 into the triangular cells of each large triangle. Every line, even an uncontinuous line, contains every number only once. The row on the outer edge of the grid includes the cell on the nearest sharp end of the figure. I guarantee that every logic puzzle in this Star 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.
Star Sudoku Large Print - Easy to Extreme - Volume 6 - 276 Logic Puzzles
Author: Nick Snels
Publisher: PuzzleBooks.net
ISBN: 1507502370
Category : Games & Activities
Languages : en
Pages : 310
Book Description
When you buy this book you get an electronic version (PDF file) of the interior of this book. Become a master in solving Star Sudoku. After solving all the puzzles in this book you will be a Star Sudoku Pro. You start with easy Star Sudoku puzzles and you gradually build your way up to extremely difficult Star Sudoku puzzles. Once you pick up this book, you won't be able to put it back down. You have been warned! Only 1 large print puzzle per page, with lots of white space for scribbling. Star Sudoku Large Print - Easy to Extreme is a collection of 276 puzzles: 54 easy Star Sudoku puzzles 54 medium Star Sudoku puzzles 54 hard Star Sudoku puzzles 54 extreme Star Sudoku puzzles 60 extra logic puzzles Star Sudoku consists of six large triangles. You must place the numbers 1-9 into the triangular cells of each large triangle. Every line, even an uncontinuous line, contains every number only once. The row on the outer edge of the grid includes the cell on the nearest sharp end of the figure. I guarantee that every logic puzzle in this Star 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.
Publisher: PuzzleBooks.net
ISBN: 1507502370
Category : Games & Activities
Languages : en
Pages : 310
Book Description
When you buy this book you get an electronic version (PDF file) of the interior of this book. Become a master in solving Star Sudoku. After solving all the puzzles in this book you will be a Star Sudoku Pro. You start with easy Star Sudoku puzzles and you gradually build your way up to extremely difficult Star Sudoku puzzles. Once you pick up this book, you won't be able to put it back down. You have been warned! Only 1 large print puzzle per page, with lots of white space for scribbling. Star Sudoku Large Print - Easy to Extreme is a collection of 276 puzzles: 54 easy Star Sudoku puzzles 54 medium Star Sudoku puzzles 54 hard Star Sudoku puzzles 54 extreme Star Sudoku puzzles 60 extra logic puzzles Star Sudoku consists of six large triangles. You must place the numbers 1-9 into the triangular cells of each large triangle. Every line, even an uncontinuous line, contains every number only once. The row on the outer edge of the grid includes the cell on the nearest sharp end of the figure. I guarantee that every logic puzzle in this Star 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.
Large Print Easy Sudoku
Author: D. R. Sloan
Publisher: Lulu.com
ISBN: 0557320372
Category : Games & Activities
Languages : en
Pages : 430
Book Description
400 easy level, large print, easy to read sudoku puzzles.
Publisher: Lulu.com
ISBN: 0557320372
Category : Games & Activities
Languages : en
Pages : 430
Book Description
400 easy level, large print, easy to read sudoku puzzles.
Flower Sudoku Large Print - Easy to Extreme - Volume 6 - 276 Logic Puzzles
Author: Nick Snels
Publisher: PuzzleBooks.net
ISBN: 1507501846
Category : Games & Activities
Languages : en
Pages : 310
Book Description
When you buy this book you get an electronic version (PDF file) of the interior of this book. Become a master in solving Flower Sudoku. After solving all the puzzles in this book you will be a Flower Sudoku Pro. You start with easy Flower Sudoku puzzles and you gradually build your way up to extremely difficult Flower Sudoku puzzles. Once you pick up this book, you won't be able to put it back down. You have been warned! Only 1 large print puzzle per page, with lots of white space for scribbling. Flower Sudoku Large Print - Easy to Extreme is a collection of 276 puzzles: 54 easy Flower Sudoku puzzles 54 medium Flower Sudoku puzzles 54 hard Flower Sudoku puzzles 54 extreme Flower Sudoku puzzles 60 extra logic puzzles Flower Sudoku has five Sudoku puzzles in layout. The center grid is fully covered by the remaining four sub-puzzles. For each grid the goal is to fill in the empty cells, one number in each, so that each column, row, and region contains the numbers 1-9 exactly once. This means that the numbers must be placed correctly for all the five grids. I guarantee that every logic puzzle in this Flower 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. Flower Sudoku is also known as Musketry Sudoku.
Publisher: PuzzleBooks.net
ISBN: 1507501846
Category : Games & Activities
Languages : en
Pages : 310
Book Description
When you buy this book you get an electronic version (PDF file) of the interior of this book. Become a master in solving Flower Sudoku. After solving all the puzzles in this book you will be a Flower Sudoku Pro. You start with easy Flower Sudoku puzzles and you gradually build your way up to extremely difficult Flower Sudoku puzzles. Once you pick up this book, you won't be able to put it back down. You have been warned! Only 1 large print puzzle per page, with lots of white space for scribbling. Flower Sudoku Large Print - Easy to Extreme is a collection of 276 puzzles: 54 easy Flower Sudoku puzzles 54 medium Flower Sudoku puzzles 54 hard Flower Sudoku puzzles 54 extreme Flower Sudoku puzzles 60 extra logic puzzles Flower Sudoku has five Sudoku puzzles in layout. The center grid is fully covered by the remaining four sub-puzzles. For each grid the goal is to fill in the empty cells, one number in each, so that each column, row, and region contains the numbers 1-9 exactly once. This means that the numbers must be placed correctly for all the five grids. I guarantee that every logic puzzle in this Flower 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. Flower Sudoku is also known as Musketry Sudoku.
Non-Consecutive Sudoku Large Print - Easy to Extreme - Volume 6 - 276 Logic Puzzles
Author: Nick Snels
Publisher: PuzzleBooks.net
ISBN: 1506193404
Category : Games & Activities
Languages : en
Pages : 310
Book Description
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! Only 1 large print puzzle per page, with lots of white space for scribbling. Non-Consecutive Sudoku Large Print - 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.
Publisher: PuzzleBooks.net
ISBN: 1506193404
Category : Games & Activities
Languages : en
Pages : 310
Book Description
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! Only 1 large print puzzle per page, with lots of white space for scribbling. Non-Consecutive Sudoku Large Print - 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.
Outside Sudoku Large Print - Easy to Extreme - Volume 6 - 276 Puzzles
Author: Nick Snels
Publisher: PuzzleBooks.net
ISBN: 1516914511
Category : Games & Activities
Languages : en
Pages : 310
Book Description
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! Only 1 large print puzzle per page, with lots of white space for scribbling. Outside Sudoku Large Print - 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.
Publisher: PuzzleBooks.net
ISBN: 1516914511
Category : Games & Activities
Languages : en
Pages : 310
Book Description
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! Only 1 large print puzzle per page, with lots of white space for scribbling. Outside Sudoku Large Print - 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.
Hoshi Sudoku Large Print - Easy to Extreme - Volume 6 - 276 Puzzles
Author: Nick Snels
Publisher: PuzzleBooks.net
ISBN: 1503349292
Category : Games & Activities
Languages : en
Pages : 310
Book Description
When you buy this book you get an electronic version (PDF file) of the interior of this book. Become a master in solving Hoshi Sudoku. After solving all the puzzles in this book, you will be a Hoshi Sudoku Pro. You start with easy Hoshi Sudoku puzzles and you gradually build your way up to extremely difficult Hoshi Sudoku puzzles. Once you pick up this book, you won't be able to put it back down. You have been warned! Only 1 large print puzzle per page, with lots of white space for scribbling. Hoshi Sudoku Large Print - Easy to Extreme is a collection of 276 puzzles: 54 easy Hoshi Sudoku puzzles 54 medium Hoshi Sudoku puzzles 54 hard Hoshi Sudoku puzzles 54 extreme Hoshi Sudoku puzzles 60 extra logic puzzles Hoshi Sudoku consists of six large triangles. You must place the numbers 1-9 into the triangular cells of each large triangle. Every line, even an uncontinuous line, contains every number only once. I guarantee that every logic puzzle in this Hoshi 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.
Publisher: PuzzleBooks.net
ISBN: 1503349292
Category : Games & Activities
Languages : en
Pages : 310
Book Description
When you buy this book you get an electronic version (PDF file) of the interior of this book. Become a master in solving Hoshi Sudoku. After solving all the puzzles in this book, you will be a Hoshi Sudoku Pro. You start with easy Hoshi Sudoku puzzles and you gradually build your way up to extremely difficult Hoshi Sudoku puzzles. Once you pick up this book, you won't be able to put it back down. You have been warned! Only 1 large print puzzle per page, with lots of white space for scribbling. Hoshi Sudoku Large Print - Easy to Extreme is a collection of 276 puzzles: 54 easy Hoshi Sudoku puzzles 54 medium Hoshi Sudoku puzzles 54 hard Hoshi Sudoku puzzles 54 extreme Hoshi Sudoku puzzles 60 extra logic puzzles Hoshi Sudoku consists of six large triangles. You must place the numbers 1-9 into the triangular cells of each large triangle. Every line, even an uncontinuous line, contains every number only once. I guarantee that every logic puzzle in this Hoshi 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.
Fitness for your brain: Large Print SUDOKU Puzzles: 100+ Easy to Hard Puzzles
Author: Khalid Alzamili
Publisher: Dr. Khalid Alzamili
ISBN: 1792816030
Category : Games & Activities
Languages : en
Pages : 116
Book Description
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.
Publisher: Dr. Khalid Alzamili
ISBN: 1792816030
Category : Games & Activities
Languages : en
Pages : 116
Book Description
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.
Consecutive Sudoku Large Print - Easy to Extreme - Volume 6 - 276 Logic Puzzles
Author: Nick Snels
Publisher: PuzzleBooks.net
ISBN: 1506191983
Category : Games & Activities
Languages : en
Pages : 310
Book Description
When you buy this book you get an electronic version (PDF file) of the interior of this book. Become a master in solving Consecutive Sudoku. After solving all the puzzles in this book you will be a Consecutive Sudoku Pro. You start with easy Consecutive Sudoku puzzles and you gradually build your way up to extremely difficult Consecutive Sudoku puzzles. Once you pick up this book, you won't be able to put it back down. You have been warned! Only 1 large print puzzle per page, with lots of white space for scribbling. Consecutive Sudoku Large Print - Easy to Extreme is a collection of 276 puzzles: 54 easy Consecutive Sudoku puzzles 54 medium Consecutive Sudoku puzzles 54 hard Consecutive Sudoku puzzles 54 extreme Consecutive Sudoku puzzles 60 extra logic puzzles I guarantee that every logic puzzle in this 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. Consecutive Sudoku is also known as 1-away Disallowed Number Place.
Publisher: PuzzleBooks.net
ISBN: 1506191983
Category : Games & Activities
Languages : en
Pages : 310
Book Description
When you buy this book you get an electronic version (PDF file) of the interior of this book. Become a master in solving Consecutive Sudoku. After solving all the puzzles in this book you will be a Consecutive Sudoku Pro. You start with easy Consecutive Sudoku puzzles and you gradually build your way up to extremely difficult Consecutive Sudoku puzzles. Once you pick up this book, you won't be able to put it back down. You have been warned! Only 1 large print puzzle per page, with lots of white space for scribbling. Consecutive Sudoku Large Print - Easy to Extreme is a collection of 276 puzzles: 54 easy Consecutive Sudoku puzzles 54 medium Consecutive Sudoku puzzles 54 hard Consecutive Sudoku puzzles 54 extreme Consecutive Sudoku puzzles 60 extra logic puzzles I guarantee that every logic puzzle in this 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. Consecutive Sudoku is also known as 1-away Disallowed Number Place.
Sudoku 10x10 Large Print - Easy to Extreme - Volume 13 - 276 Puzzles
Author: Nick Snels
Publisher: PuzzleBooks.net
ISBN: 1502463385
Category : Games & Activities
Languages : en
Pages : 311
Book Description
When you buy this book you get an electronic version (PDF file) of the interior of this book. You can play the puzzles in this book on your mobile phone! Become a master in solving Sudoku. After solving all the puzzle in this book, you will be a Sudoku Pro. You start with easy Sudoku puzzle and you gradually build your way up to extremely difficult Sudoku puzzle. Once you pick up this book, you won't be able to put it back down. You have been warned! Only 1 large print puzzle per page, with lots of white space for scribbling. Sudoku 10x10 Large Print - Easy to Extreme is a collection of 276 puzzle: 54 easy Sudoku 10x10 puzzle 54 medium Sudoku 10x10 puzzle 54 hard Sudoku 10x10 puzzle 54 extreme Sudoku 10x10 puzzle 60 extra logic puzzle The goal of Sudoku is to fill in the empty cells, one number in each, so that each column, row, and region contains each number exactly once. I guarantee that every logic puzzle in this Sudoku puzzle book has been carefully checked to ensure that each puzzle has only 1 solution. None of the puzzle in this book will appear in any of the other English PuzzleBooks.net books. Sudoku is also known as Number Place, Nanpure, Su Doku. Quite often Sudoku is misspelled as Suduko, Soduko, Sodoku, Sudoko, Suduku or Soduku.
Publisher: PuzzleBooks.net
ISBN: 1502463385
Category : Games & Activities
Languages : en
Pages : 311
Book Description
When you buy this book you get an electronic version (PDF file) of the interior of this book. You can play the puzzles in this book on your mobile phone! Become a master in solving Sudoku. After solving all the puzzle in this book, you will be a Sudoku Pro. You start with easy Sudoku puzzle and you gradually build your way up to extremely difficult Sudoku puzzle. Once you pick up this book, you won't be able to put it back down. You have been warned! Only 1 large print puzzle per page, with lots of white space for scribbling. Sudoku 10x10 Large Print - Easy to Extreme is a collection of 276 puzzle: 54 easy Sudoku 10x10 puzzle 54 medium Sudoku 10x10 puzzle 54 hard Sudoku 10x10 puzzle 54 extreme Sudoku 10x10 puzzle 60 extra logic puzzle The goal of Sudoku is to fill in the empty cells, one number in each, so that each column, row, and region contains each number exactly once. I guarantee that every logic puzzle in this Sudoku puzzle book has been carefully checked to ensure that each puzzle has only 1 solution. None of the puzzle in this book will appear in any of the other English PuzzleBooks.net books. Sudoku is also known as Number Place, Nanpure, Su Doku. Quite often Sudoku is misspelled as Suduko, Soduko, Sodoku, Sudoko, Suduku or Soduku.
Classic Sudoku 9x9 Large Print - Easy to Extreme - Volume 6 - 276 Puzzles
Author: Nick Snels
Publisher: PuzzleBooks.net
ISBN: 1502445158
Category : Games & Activities
Languages : en
Pages : 311
Book Description
When you buy this book you get an electronic version (PDF file) of the interior of this book. You can play the puzzles in this book on your mobile phone! Become a master in solving Sudoku. After solving all the puzzle in this book, you will be a Sudoku Pro. You start with easy Sudoku puzzle and you gradually build your way up to extremely difficult Sudoku puzzle. Once you pick up this book, you won't be able to put it back down. You have been warned! Only 1 large print puzzle per page, with lots of white space for scribbling. Classic Sudoku 9x9 Large Print - Easy to Extreme is a collection of 276 puzzle: 54 easy Sudoku 9x9 puzzle 54 medium Sudoku 9x9 puzzle 54 hard Sudoku 9x9 puzzle 54 extreme Sudoku 9x9 puzzle 60 extra logic puzzle The goal of Sudoku is to fill in the empty cells, one number in each, so that each column, row, and region contains each number exactly once. I guarantee that every logic puzzle in this Sudoku puzzle book has been carefully checked to ensure that each puzzle has only 1 solution. None of the puzzle in this book will appear in any of the other English PuzzleBooks.net books. Sudoku is also known as Number Place, Nanpure, Su Doku. Quite often Sudoku is misspelled as Suduko, Soduko, Sodoku, Sudoko, Suduku or Soduku.
Publisher: PuzzleBooks.net
ISBN: 1502445158
Category : Games & Activities
Languages : en
Pages : 311
Book Description
When you buy this book you get an electronic version (PDF file) of the interior of this book. You can play the puzzles in this book on your mobile phone! Become a master in solving Sudoku. After solving all the puzzle in this book, you will be a Sudoku Pro. You start with easy Sudoku puzzle and you gradually build your way up to extremely difficult Sudoku puzzle. Once you pick up this book, you won't be able to put it back down. You have been warned! Only 1 large print puzzle per page, with lots of white space for scribbling. Classic Sudoku 9x9 Large Print - Easy to Extreme is a collection of 276 puzzle: 54 easy Sudoku 9x9 puzzle 54 medium Sudoku 9x9 puzzle 54 hard Sudoku 9x9 puzzle 54 extreme Sudoku 9x9 puzzle 60 extra logic puzzle The goal of Sudoku is to fill in the empty cells, one number in each, so that each column, row, and region contains each number exactly once. I guarantee that every logic puzzle in this Sudoku puzzle book has been carefully checked to ensure that each puzzle has only 1 solution. None of the puzzle in this book will appear in any of the other English PuzzleBooks.net books. Sudoku is also known as Number Place, Nanpure, Su Doku. Quite often Sudoku is misspelled as Suduko, Soduko, Sodoku, Sudoko, Suduku or Soduku.