Jigsaw Sudoku 9x9 Easy to Extreme Volume 1 276 Puzzles

Jigsaw Sudoku 9x9   Easy to Extreme   Volume 1   276 Puzzles
Author: Nick Snels
Publsiher: PuzzleBooks.net
Total Pages: 180
Release: 2014-10-18
Genre: Games & Activities
ISBN: 9781502893789

Download Jigsaw Sudoku 9x9 Easy to Extreme Volume 1 276 Puzzles Book in PDF, Epub and Kindle

When you buy this book you get an electronic version (PDF file) of the interior of this book. Become a master in solving Jigsaw Sudoku 9x9. After solving all the puzzles in this book, you will be a Jigsaw Sudoku Pro. You start with easy Jigsaw Sudoku puzzles and you gradually build your way up to extremely hard Jigsaw Sudoku puzzles. Once you pick up this book, you won't be able to put it back down. You have been warned! Jigsaw Sudoku 9x9 - Easy to Extreme is a collection of 276 puzzles: 54 easy Jigsaw Sudoku 9x9 puzzles 54 medium Jigsaw Sudoku 9x9 puzzles 54 hard Jigsaw Sudoku 9x9 puzzles 54 extreme Jigsaw Sudoku 9x9 puzzles 60 extra logic puzzles The goal of Jigsaw Sudoku is to fill in the empty cells, one number in each, so that each column, row, and region contains each number exactly once. The regions are of irregular shape. I guarantee that every logic puzzle in this Jigsaw 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. Jigsaw Sudoku is also known as Geometry Sudoku, Irregular Sudoku, Squiggly Sudoku and Kikagaku Nanpure.

Classic Sudoku 9x9 Easy to Extreme Volume 1 276 Puzzles

Classic Sudoku 9x9   Easy to Extreme   Volume 1   276 Puzzles
Author: Nick Snels
Publsiher: PuzzleBooks.net
Total Pages: 180
Release: 2014-09-11
Genre: Games & Activities
ISBN: 9781500934965

Download Classic Sudoku 9x9 Easy to Extreme Volume 1 276 Puzzles Book in PDF, Epub and Kindle

When you buy this book you get an electronic version (PDF file) of the interior of this book. Become a master in solving classic Sudoku 9x9. After solving all the puzzles in this book, you will be a Sudoku Pro. You start with easy Sudoku puzzles and you gradually build your way up to extremely hard Sudoku puzzles. The goal of Sudoku is to fill in the empty cells, one number in each, so that each column, row, and region contains the numbers 1 to 9 exactly once. Classic Sudoku 9x9 - Easy to Extreme is a collection of 276 puzzles: 54 easy Sudoku 9x9 puzzles 54 medium Sudoku 9x9 puzzles 54 hard Sudoku 9x9 puzzles 54 extreme Sudoku 9x9 puzzles 60 extra logic puzzles 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 puzzles in this book will appear in any of the other PuzzleBooks.net books. Sudoku is also known as Number Place, Nanpure, Su Doku. Quite often Sudoku is misspelled as Suduko, Soduko, Sodoku, Sudoko, Suduku and Soduku.

Sudoku X 9x9 Easy to Extreme Volume 1 276 Puzzles

Sudoku X 9x9   Easy to Extreme   Volume 1   276 Puzzles
Author: Nick Snels
Publsiher: PuzzleBooks.net
Total Pages: 180
Release: 2014-10-20
Genre: Games & Activities
ISBN: 9781502909367

Download Sudoku X 9x9 Easy to Extreme Volume 1 276 Puzzles Book in PDF, Epub and Kindle

When you buy this book you get an electronic version (PDF file) of the interior of this book. Become a master in solving Sudoku X 9x9. After solving all the puzzles in this book, you will be a Sudoku X Pro. You start with easy Sudoku X puzzles and you gradually build your way up to extremely difficult Sudoku X puzzles. Once you pick up this book, you won't be able to put it back down. You have been warned! Sudoku X 9x9 - Easy to Extreme is a collection of 276 puzzles: 54 easy Sudoku X 9x9 puzzles 54 medium Sudoku X 9x9 puzzles 54 hard Sudoku 9x9 X puzzles 54 extreme Sudoku 9x9 X puzzles 60 extra logic puzzles The goal of Sudoku X is to fill in the empty cells, one number in each, so that each column, row, region, and the two main diagonals contain each number exactly once. I guarantee that every logic puzzle in this Sudoku X 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. Sudoku X is also known as Diagonal Sudoku, Kokonotsu, Taikakusen Nanpure and Diagonal Line Number Place.

Anti King Sudoku 9x9 Easy to Extreme Volume 1 276 Puzzles

Anti King Sudoku 9x9   Easy to Extreme   Volume 1   276 Puzzles
Author: Nick Snels
Publsiher: PuzzleBooks.net
Total Pages: 180
Release: 2014-11-08
Genre: Games & Activities
ISBN: 9781503152953

Download Anti King Sudoku 9x9 Easy to Extreme Volume 1 276 Puzzles Book in PDF, Epub and Kindle

When you buy this book you get an electronic version (PDF file) of the interior of this book. Become a master in solving Anti-King Sudoku 9x9. After solving all the puzzles in this book, you will be a Anti-King Sudoku Pro. You start with easy Anti-King Sudoku puzzles and you gradually build your way up to extremely difficult Anti-King Sudoku puzzles. Once you pick up this book, you won't be able to put it back down. You have been warned! Anti-King Sudoku 9x9 - Easy to Extreme is a collection of 276 puzzles: 54 easy Anti-King Sudoku 9x9 puzzles 54 medium Anti-King Sudoku 9x9 puzzles 54 hard Anti-King Sudoku 9x9 puzzles 54 extreme Anti-King Sudoku 9x9 puzzles 60 extra logic puzzles The goal of Anti-King 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 equal numbers can be neither orthogonally nor diagonally adjacent. I guarantee that every logic puzzle in this Anti-King 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. Anti-King Sudoku is also known as Touchless Sudoku.

Anti Knight Sudoku 9x9 Easy to Extreme Volume 1 276 Puzzles

Anti Knight Sudoku 9x9   Easy to Extreme   Volume 1   276 Puzzles
Author: Nick Snels
Publsiher: PuzzleBooks.net
Total Pages: 180
Release: 2014-11-08
Genre: Games & Activities
ISBN: 9781503151994

Download Anti Knight Sudoku 9x9 Easy to Extreme Volume 1 276 Puzzles Book in PDF, Epub and Kindle

When you buy this book you get an electronic version (PDF file) of the interior of this book. Become a master in solving Anti-Knight Sudoku 9x9. After solving all the puzzles in this book, you will be a Anti-Knight Sudoku Pro. You start with easy Anti-Knight Sudoku puzzles and you gradually build your way up to extremely difficult Anti-Knight Sudoku puzzles. Once you pick up this book, you won't be able to put it back down. You have been warned! Anti-Knight Sudoku 9x9 - Easy to Extreme is a collection of 276 puzzles: 54 easy Anti-Knight Sudoku 9x9 puzzles 54 medium Anti-Knight Sudoku 9x9 puzzles 54 hard Anti-Knight Sudoku 9x9 puzzles 54 extreme Anti-Knight Sudoku 9x9 puzzles 60 extra logic puzzles The goal of Anti-Knight Sudoku is to fill in the empty cells, one number in each, so that each column, row, and region contains each number exactly once and all cells at a chess knight move (at a distance of 2 by 1) must hold different numbers. I guarantee that every logic puzzle in this Anti-Knight Sudoku 9x9 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. Anti-Knight Sudoku is also known as No Knight Step Sudoku.

Anti Diagonal Sudoku 9x9 Easy to Extreme Volume 1 276 Puzzles

Anti Diagonal Sudoku 9x9   Easy to Extreme   Volume 1   276 Puzzles
Author: Nick Snels
Publsiher: PuzzleBooks.net
Total Pages: 180
Release: 2014-11-08
Genre: Games & Activities
ISBN: 9781503153615

Download Anti Diagonal Sudoku 9x9 Easy to Extreme Volume 1 276 Puzzles Book in PDF, Epub and Kindle

When you buy this book you get an electronic version (PDF file) of the interior of this book. Become a master in solving Anti Diagonal Sudoku 9x9. After solving all the puzzles in this book, you will be a Anti Diagonal Sudoku Pro. You start with easy Anti Diagonal Sudoku puzzles and you gradually build your way up to extremely difficult Anti Diagonal Sudoku puzzles. Once you pick up this book, you won't be able to put it back down. You have been warned! Anti Diagonal Sudoku 9x9 - Easy to Extreme is a collection of 276 puzzles: 54 easy Anti Diagonal Sudoku 9x9 puzzles 54 medium Anti Diagonal Sudoku 9x9 puzzles 54 hard Anti Diagonal Sudoku 9x9 puzzles 54 extreme Anti Diagonal Sudoku 9x9 puzzles 60 extra logic puzzles The goal of Anti Diagonal Sudoku is to fill in the empty cells, one number in each, so that each column, row, and region contains each number exactly once and each diagonal has at most three different numbers for 9x9 grids and at most four different numbers for 16x16 grids. I guarantee that every logic puzzle in this Anti Diagonal 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.

Wordoku 9x9 Easy to Extreme Volume 1 276 Puzzles

Wordoku 9x9   Easy to Extreme   Volume 1   276 Puzzles
Author: Nick Snels
Publsiher: PuzzleBooks.net
Total Pages: 180
Release: 2014-10-20
Genre: Games & Activities
ISBN: 9781502910301

Download Wordoku 9x9 Easy to Extreme Volume 1 276 Puzzles Book in PDF, Epub and Kindle

When you buy this book you get an electronic version (PDF file) of the interior of this book. Become a master in solving Wordoku 9x9. After solving all the puzzles in this book, you will be a Wordoku Pro. You start with easy Wordoku puzzles and you gradually build your way up to extremely difficult Wordoku puzzles. Once you pick up this book, you won't be able to put it back down. You have been warned! Wordoku 9x9 - Easy to Extreme is a collection of 276 puzzles: 54 easy Wordoku 9x9 puzzles 54 medium Wordoku 9x9 puzzles 54 hard Wordoku 9x9 puzzles 54 extreme Wordoku 9x9 puzzles 60 extra logic puzzles The goal of Wordoku is to fill in the empty cells, one letter in each, so that each column, row, and region contains each letter exactly once. I guarantee that every logic puzzle in this Wordoku 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. Wordoku is also known as Godoku and Alphabet Sudoku.

Jigsaw Sudoku 9x9 Large Print Easy to Extreme Volume 6 276 Puzzles

Jigsaw Sudoku 9x9 Large Print   Easy to Extreme   Volume 6   276 Puzzles
Author: Nick Snels
Publsiher: PuzzleBooks.net
Total Pages: 310
Release: 2014-10-18
Genre: Games & Activities
ISBN: 9781502894977

Download Jigsaw Sudoku 9x9 Large Print Easy to Extreme Volume 6 276 Puzzles Book in PDF, Epub and Kindle

When you buy this book you get an electronic version (PDF file) of the interior of this book. Become a master in solving Jigsaw Sudoku 9x9. After solving all the puzzles in this book, you will be a Jigsaw Sudoku Pro. You start with easy Jigsaw Sudoku puzzles and you gradually build your way up to extremely hard Jigsaw 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. Jigsaw Sudoku 9x9 Large Print - Easy to Extreme is a collection of 276 puzzles: 54 easy Jigsaw Sudoku 9x9 puzzles 54 medium Jigsaw Sudoku 9x9 puzzles 54 hard Jigsaw Sudoku 9x9 puzzles 54 extreme Jigsaw Sudoku 9x9 puzzles 60 extra logic puzzles The goal of Jigsaw Sudoku is to fill in the empty cells, one number in each, so that each column, row, and region contains each number exactly once. The regions are of irregular shape. I guarantee that every logic puzzle in this Jigsaw 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. Jigsaw Sudoku is also known as Geometry Sudoku, Irregular Sudoku, Squiggly Sudoku and Kikagaku Nanpure.

Hyper Sudoku 9x9 Easy to Extreme Volume 1 276 Puzzles

Hyper Sudoku 9x9   Easy to Extreme   Volume 1   276 Puzzles
Author: Nick Snels
Publsiher: PuzzleBooks.net
Total Pages: 180
Release: 2014-10-20
Genre: Games & Activities
ISBN: 9781502910097

Download Hyper Sudoku 9x9 Easy to Extreme Volume 1 276 Puzzles Book in PDF, Epub and Kindle

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.

Jigsaw Sudoku 9x9 Extreme Volume 5 276 Puzzles

Jigsaw Sudoku 9x9   Extreme   Volume 5   276 Puzzles
Author: Nick Snels
Publsiher: PuzzleBooks.net
Total Pages: 180
Release: 2014-10-18
Genre: Games & Activities
ISBN: 9781502894830

Download Jigsaw Sudoku 9x9 Extreme Volume 5 276 Puzzles Book in PDF, Epub and Kindle

When you buy this book you get an electronic version (PDF file) of the interior of this book. Jigsaw Sudoku is Sudoku with a twist. Instead of square shaped regions, the regions are irregularly shaped. This makes solving a Jigsaw Sudoku puzzle that little bit more difficult than classic Sudoku. This book is ideal if you are a Jigsaw Sudoku 9x9 expert. In this book, you find the most extreme Jigsaw Sudoku puzzles ever. Once you pick up this book, you won't be able to put it back down. You have been warned! Jigsaw Sudoku 9x9 - Extreme is a collection of 276 puzzles: 216 extreme Jigsaw Sudoku 9x9 puzzles 60 extra logic puzzles I guarantee that every logic puzzle in this Jigsaw 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. Jigsaw Sudoku is also known as Geometry Sudoku, Irregular Sudoku, Squiggly Sudoku and Kikagaku Nanpure.

Jigsaw Sudoku 12x12 Easy to Extreme Volume 15 276 Puzzles

Jigsaw Sudoku 12x12   Easy to Extreme   Volume 15   276 Puzzles
Author: Nick Snels
Publsiher: PuzzleBooks.net
Total Pages: 180
Release: 2014-10-19
Genre: Games & Activities
ISBN: 9781502903051

Download Jigsaw Sudoku 12x12 Easy to Extreme Volume 15 276 Puzzles Book in PDF, Epub and Kindle

When you buy this book you get an electronic version (PDF file) of the interior of this book. Become a master in solving Jigsaw Sudoku 12x12. After solving all the puzzles in this book, you will be a Jigsaw Sudoku Pro. You start with easy Jigsaw Sudoku puzzles and you gradually build your way up to extremely difficult Jigsaw Sudoku puzzles. Once you pick up this book, you won't be able to put it back down. You have been warned! Jigsaw Sudoku 12x12 - Easy to Extreme is a collection of 276 puzzles: 54 easy Jigsaw Sudoku 12x12 puzzles 54 medium Jigsaw Sudoku 12x12 puzzles 54 hard Jigsaw Sudoku 12x12 puzzles 54 extreme Jigsaw Sudoku 12x12 puzzles 60 extra logic puzzles The goal of Jigsaw Sudoku is to fill in the empty cells, one number in each, so that each column, row, and region contains each number exactly once. The regions are of irregular shape. I guarantee that every logic puzzle in this Jigsaw 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. Jigsaw Sudoku is also known as Geometry Sudoku, Irregular Sudoku, Squiggly Sudoku and Kikagaku Nanpure.

Jigsaw Sudoku 10x10 Large Print Easy to Extreme Volume 13 276 Puzzles

Jigsaw Sudoku 10x10 Large Print   Easy to Extreme   Volume 13   276 Puzzles
Author: Nick Snels
Publsiher: PuzzleBooks.net
Total Pages: 310
Release: 2014-10-19
Genre: Games & Activities
ISBN: 9781502901170

Download Jigsaw Sudoku 10x10 Large Print Easy to Extreme Volume 13 276 Puzzles Book in PDF, Epub and Kindle

When you buy this book you get an electronic version (PDF file) of the interior of this book. Become a master in solving Jigsaw Sudoku 10x10. After solving all the puzzles in this book, you will be a Jigsaw Sudoku Pro. You start with easy Jigsaw Sudoku puzzles and you gradually build your way up to extremely hard Jigsaw 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. Jigsaw Sudoku 10x10 Large Print - Easy to Extreme is a collection of 276 puzzles: 54 easy Jigsaw Sudoku 10x10 puzzles 54 medium Jigsaw Sudoku 10x10 puzzles 54 hard Jigsaw Sudoku 10x10 puzzles 54 extreme Jigsaw Sudoku 10x10 puzzles 60 extra logic puzzles The goal of Jigsaw Sudoku is to fill in the empty cells, one number in each, so that each column, row, and region contains each number exactly once. The regions are of irregular shape. I guarantee that every logic puzzle in this Jigsaw 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. Jigsaw Sudoku is also known as Geometry Sudoku, Irregular Sudoku, Squiggly Sudoku and Kikagaku Nanpure.

Jigsaw Sudoku 12x12 Large Print Easy to Extreme Volume 20 276 Puzzles

Jigsaw Sudoku 12x12 Large Print   Easy to Extreme   Volume 20   276 Puzzles
Author: Nick Snels
Publsiher: PuzzleBooks.net
Total Pages: 310
Release: 2014-10-19
Genre: Games & Activities
ISBN: 9781502903402

Download Jigsaw Sudoku 12x12 Large Print Easy to Extreme Volume 20 276 Puzzles Book in PDF, Epub and Kindle

When you buy this book you get an electronic version (PDF file) of the interior of this book. Become a master in solving Jigsaw Sudoku 12x12. After solving all the puzzles in this book, you will be a Jigsaw Sudoku Pro. You start with easy Jigsaw Sudoku puzzles and you gradually build your way up to extremely hard Jigsaw 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. Jigsaw Sudoku 12x12 Large Print - Easy to Extreme is a collection of 276 puzzles: 54 easy Jigsaw Sudoku 12x12 puzzles 54 medium Jigsaw Sudoku 12x12 puzzles 54 hard Jigsaw Sudoku 12x12 puzzles 54 extreme Jigsaw Sudoku 12x12 puzzles 60 extra logic puzzles The goal of Jigsaw Sudoku is to fill in the empty cells, one number in each, so that each column, row, and region contains each number exactly once. The regions are of irregular shape. I guarantee that every logic puzzle in this Jigsaw 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. Jigsaw Sudoku is also known as Geometry Sudoku, Irregular Sudoku, Squiggly Sudoku and Kikagaku Nanpure.

Jigsaw Sudoku 9x9 Easy Volume 2 276 Puzzles

Jigsaw Sudoku 9x9   Easy   Volume 2   276 Puzzles
Author: Nick Snels
Publsiher: PuzzleBooks.net
Total Pages: 180
Release: 2014-10-18
Genre: Games & Activities
ISBN: 9781502894526

Download Jigsaw Sudoku 9x9 Easy Volume 2 276 Puzzles Book in PDF, Epub and Kindle

When you buy this book you get an electronic version (PDF file) of the interior of this book. Jigsaw Sudoku is Sudoku with a twist. Instead of square shaped regions, the regions are irregularly shaped. This makes solving a Jigsaw Sudoku puzzle that little bit more difficult than classic Sudoku. This book is ideal for beginners to learn Jigsaw Sudoku 9x9. Once you pick up this book, you won't be able to put it back down. You have been warned! Jigsaw Sudoku 9x9 - Easy is a collection of 276 puzzles: 216 easy Jigsaw Sudoku 9x9 puzzles 60 extra logic puzzles The goal of Jigsaw Sudoku is to fill in the empty cells, one number in each, so that each column, row, and region contains each number exactly once. The regions are of irregular shape. I guarantee that every logic puzzle in this Jigsaw 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. Jigsaw Sudoku is also known as Geometry Sudoku, Irregular Sudoku, Squiggly Sudoku and Kikagaku Nanpure.

Jigsaw Sudoku 10x10 Easy to Extreme Volume 8 276 Puzzles

Jigsaw Sudoku 10x10   Easy to Extreme   Volume 8   276 Puzzles
Author: Nick Snels
Publsiher: PuzzleBooks.net
Total Pages: 180
Release: 2014-10-19
Genre: Games & Activities
ISBN: 9781502900678

Download Jigsaw Sudoku 10x10 Easy to Extreme Volume 8 276 Puzzles Book in PDF, Epub and Kindle

When you buy this book you get an electronic version (PDF file) of the interior of this book. Become a master in solving Jigsaw Sudoku 10x10. After solving all the puzzles in this book, you will be a Jigsaw Sudoku Pro. You start with easy Jigsaw Sudoku puzzles and you gradually build your way up to extremely difficult Jigsaw Sudoku puzzles. Once you pick up this book, you won't be able to put it back down. You have been warned! Jigsaw Sudoku 10x10 - Easy to Extreme is a collection of 276 puzzles: 54 easy Jigsaw Sudoku 10x10 puzzles 54 medium Jigsaw Sudoku 10x10 puzzles 54 hard Jigsaw Sudoku 10x10 puzzles 54 extreme Jigsaw Sudoku 10x10 puzzles 60 extra logic puzzles The goal of Jigsaw Sudoku is to fill in the empty cells, one number in each, so that each column, row, and region contains each number exactly once. The regions are of irregular shape. I guarantee that every logic puzzle in this Jigsaw 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. Jigsaw Sudoku is also known as Geometry Sudoku, Irregular Sudoku, Squiggly Sudoku and Kikagaku Nanpure.