Sudoku Variations Puzzle Book 1

Sudoku Variations Puzzle Book 1 Book in PDF, ePub and Kindle version is available to download in english. Read online anytime anywhere directly from your device. Click on the download button below to get a free pdf file of Sudoku Variations Puzzle Book 1 book. This book definitely worth reading, it is an incredibly well-written.

Sudoku Variants

Conceptis Puzzles
Sudoku Variants Book PDF

Author : Conceptis Puzzles
Publisher : Sterling Publishing Company, Inc.
Page : 154 pages
File Size : 48,5 Mb
Release : 2006-08
Category : Games & Activities
ISBN : 1402741111

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Sudoku Variants by Conceptis Puzzles Pdf

Everyone knows sudoku is enjoyable--but these addictive puzzles come in endless variations too! They range from simple to very difficult, and can take almost no time to finish...or require many hours. This entertaining collection showcases a wide range of possibilities, offering solvers who have become accustomed to the standard rules and grids an exciting new challenge. Select from Mega Sudokus that provide a real workout; Diagonals or Odd and Even versions with extra constraints; Sum Sudokus that merge with kakuro; and Multisudoku with overlapping puzzles. There's something for every level--12 x 12 puzzles, ones with irregularly shaped areas, even Mini Sudoku--and lots of fun for everyone.

Variety Sudoku Puzzle Book 400+ Medium Puzzles Volume 1

Linda Robson
Variety Sudoku Puzzle Book 400 Medium Puzzles Volume 1 Book PDF

Author : Linda Robson
Publisher : Unknown
Page : 118 pages
File Size : 55,7 Mb
Release : 2017-11-15
Category : Electronic
ISBN : 197979409X

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Variety Sudoku Puzzle Book 400+ Medium Puzzles Volume 1 by Linda Robson Pdf

If you like solving Sudoku puzzles you are going to love the Variety Sudoku Puzzle Book Series. Keep the brain active and improve your Sudoku solving skills. Featuring Standard Sudoku, Sudoku-X, Jigsaw Sudoku and Killer Sudoku, the Variety Sudoku Puzzle Book is the ideal companion for both Sudoku beginners and fanatics alike. Please Note: This is part of the Medium difficulty series and may require some advanced solving techniques. * Extra-large 8.5 x 11 Inch Book Size * 100+ Standard Sudoku Puzzles* 100+ Sudoku-X Puzzles* 100+ Jigsaw Sudoku Puzzles* 100+ Killer Sudoku Puzzles* 6 Puzzles per Page* Solutions to all Puzzles Included* Introduction to Each Puzzle Type* Bonus Puzzles Included* Ideal for Intermediate Solvers

Sudoku Variants Puzzle Books Medium - Volume 1

Panda Puzzle Book
Sudoku Variants Puzzle Books Medium Volume 1 Book PDF

Author : Panda Puzzle Book
Publisher : Unknown
Page : 116 pages
File Size : 41,8 Mb
Release : 2019-08-22
Category : Electronic
ISBN : 1687858306

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Sudoku Variants Puzzle Books Medium - Volume 1 by Panda Puzzle Book Pdf

This specific puzzle book contains a top-quality variety of sudoku puzzles which are guaranteed to challenge you in the best way possible. This book contains 140 Sudoku variations in medium difficulty. The following Sudoku variants are included: Sudoku X Sudoku Hyper Sudoku Twins Sudoku Triathlon A Sudoku Triathlon B Sudoku Marathon Sudoku Samurai The regular sudoku rules apply to every 9x9 grid. Put numbers from 1 to 9 in every empty cell. Each row, each column, and each 3x3 box should consist of one of each digit. The puzzles on Sudoku Variants have one unique solution that you can get using logic, absolutely no guessing needed. 140 Sudoku Variants Puzzle Books in medium difficulty An answer key for each sudoku puzzle Puzzles are printed on high-quality white paper, paper size 8,5 x 11 inches 2 Puzzles Per Page, solving could be easy on your eyes Sudoku puzzles are a proven method for enhancing logic skills. As a logic puzzle, Sudoku is also a great brain game. If you play Sudoku every day, you'll soon begin to see improvements within your concentration and overall brain power. You could reduce your probabilities of Dementia or Alzheimer's simply by solving Sudoku puzzles. By using this selection of sudoku puzzle books you would experience enhanced brain capabilities for example focus, logical thinking and memory. Choose your book today by clicking on the BUY NOW button at the top of this page.

Sudoku Variants Puzzle Books Hard - Volume 1

Panda Puzzle Book
Sudoku Variants Puzzle Books Hard Volume 1 Book PDF

Author : Panda Puzzle Book
Publisher : Unknown
Page : 116 pages
File Size : 47,7 Mb
Release : 2019-08-22
Category : Electronic
ISBN : 1687899568

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Sudoku Variants Puzzle Books Hard - Volume 1 by Panda Puzzle Book Pdf

This specific puzzle book contains a top-quality variety of sudoku puzzles which are guaranteed to challenge you in the best way possible. This book contains 140 Sudoku variations in hard difficulty. The following Sudoku variants are included: Sudoku X Sudoku Hyper Sudoku Twins Sudoku Triathlon A Sudoku Triathlon B Sudoku Marathon Sudoku Samurai The regular sudoku rules apply to every 9x9 grid. Put numbers from 1 to 9 in every empty cell. Each row, each column, and each 3x3 box should consist of one of each digit. The puzzles on Sudoku Variants have one unique solution that you can get using logic, absolutely no guessing needed. 140 Sudoku Variants Puzzle Books in medium difficulty An answer key for each sudoku puzzle Puzzles are printed on high-quality white paper, paper size 8,5 x 11 inches 2 Puzzles Per Page, solving could be easy on your eyes Sudoku puzzles are a proven method for enhancing logic skills. As a logic puzzle, Sudoku is also a great brain game. If you play Sudoku every day, you'll soon begin to see improvements within your concentration and overall brain power. You could reduce your probabilities of Dementia or Alzheimer's simply by solving Sudoku puzzles. By using this selection of sudoku puzzle books you would experience enhanced brain capabilities for example focus, logical thinking and memory. Choose your book today by clicking on the BUY NOW button at the top of this page.

Sudoku Variants Puzzle Books Medium to Hard - Volume 1

Panda Puzzle Book
Sudoku Variants Puzzle Books Medium to Hard Volume 1 Book PDF

Author : Panda Puzzle Book
Publisher : Independently Published
Page : 148 pages
File Size : 40,9 Mb
Release : 2019-08-25
Category : Electronic
ISBN : 1688538356

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Sudoku Variants Puzzle Books Medium to Hard - Volume 1 by Panda Puzzle Book Pdf

This specific puzzle book contains a top-quality variety of sudoku puzzles which are guaranteed to challenge you in the best way possible. These book contains 180 Sudoku variations in medium to hard difficulty. The following Sudoku variants are included: Sudoku X Sudoku Hyper Sudoku Twins Sudoku Triathlon A Sudoku Triathlon B Sudoku Marathon Sudoku Samurai Sudoku 12x12 Sudoku 16x16 The regular sudoku rules apply to every 9x9 grid. Put numbers from 1 to 9 in every empty cell. Each row, each column, and each 3x3 box should consist of one of each digit. The puzzles on Sudoku Variants have one unique solution that you can get using logic, absolutely no guessing needed. 180 Sudoku Variants Puzzle Books in medium to hard difficulty An answer key for each sudoku puzzle Puzzles are printed on high quality white paper, paper size 8,5 x 11 inches 2 Puzzles Per Page , solving could be easy on your eyes Sudoku puzzles are a proven method for enhancing logic skills. As a logic puzzle, Sudoku is also a great brain game. If you play Sudoku every day, you'll soon begin to see improvements within your concentration and overall brain power. You could reduce your probabilities of Dementia or Alzheimer's simply by solving Sudoku puzzles. By using this selection of sudoku puzzle books you would experience enhanced brain capabilities for example focus, logical thinking and memory. Choose your book today by clicking on the BUY NOW button at the top of this page.

Sudoku Variety Puzzle Books

Panda Puzzle Book
Sudoku Variety Puzzle Books Book PDF

Author : Panda Puzzle Book
Publisher : Unknown
Page : 148 pages
File Size : 41,5 Mb
Release : 2020-01-07
Category : Electronic
ISBN : 1656992205

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Sudoku Variety Puzzle Books by Panda Puzzle Book Pdf

A CHALLENGE FOR SUDOKU LOVER!! I know that regular sudoku is too easy and less challenging for you. This specific puzzle book contains a top-quality variety of sudoku puzzles that are guaranteed to challenge you in the best way possible. This book contains 180 puzzles Sudoku Variants in normal and hard difficulty. The following Sudoku variants are included: Sudoku X Sudoku Hyper Sudoku Twins Sudoku Triathlon A Sudoku Triathlon B Sudoku Marathon Sudoku Samurai Sudoku 12x12 Sudoku 16x16 The regular sudoku rules apply to every 9x9 grid. Put numbers from 1 to 9 in every empty cell. Each row, each column, and each 3x3 box should consist of one of each digit. The puzzles on Sudoku Variants have one unique solution that you can get using logic, absolutely no guessing needed. Features: 180 Sudoku Variants Puzzle Books in normal and hard difficulty. An answer key for each sudoku puzzle Puzzles are printed on high-quality white paper, 8,5 x 11 inches paper size 2 Puzzles Per Page Sudoku puzzles are a proven method for enhancing logic skills. As a logic puzzle, Sudoku is also a great brain game. If you play Sudoku every day, you'll soon begin to see improvements within your concentration and overall brain power. You could reduce your probabilities of Dementia or Alzheimer's simply by solving Sudoku puzzles. By using this selection of sudoku puzzle books you would experience enhanced brain capabilities for example focus, logical thinking, and memory. Choose your book NOW by clicking on the BUY NOW button at the top of this page.

Sudoku Variety Puzzle Books

Panda Puzzle Book
Sudoku Variety Puzzle Books Book PDF

Author : Panda Puzzle Book
Publisher : Unknown
Page : 126 pages
File Size : 55,8 Mb
Release : 2020-01-07
Category : Electronic
ISBN : 1656909308

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Sudoku Variety Puzzle Books by Panda Puzzle Book Pdf

I know that regular sudoku is too easy and less challenging for you. This specific puzzle book contains a top-quality variety of sudoku puzzles that are guaranteed to challenge you in the best way possible. This book contains 240 puzzles Sudoku variations in normal and hard difficulty. The following Sudoku variants are included: Sudoku Twins Sudoku Triathlon A Sudoku Triathlon B The regular sudoku rules apply to every 9x9 grid. Put numbers from 1 to 9 in every empty cell. Each row, each column, and each 3x3 box should consist of one of each digit. The puzzles on Sudoku Variants have one unique solution that you can get using logic, absolutely no guessing needed. Features: 240 Sudoku Variants Puzzle Books in normal and hard difficulty. 80 puzzles sudoku twins, 80 puzzles Sudoku Triathlon A, 80 puzzles Sudoku Triathlon B An answer key for each sudoku puzzle Puzzles are printed on high-quality white paper, 8,5 x 11 inches paper size 4 Puzzles Per Page Sudoku puzzles are a proven method for enhancing logic skills. As a logic puzzle, Sudoku is also a great brain game. If you play Sudoku every day, you'll soon begin to see improvements within your concentration and overall brain power. You could reduce your probabilities of Dementia or Alzheimer's simply by solving Sudoku puzzles. By using this selection of sudoku puzzle books you would experience enhanced brain capabilities for example focus, logical thinking, and memory. Choose your book today by clicking on the BUY NOW button at the top of this page.

Extra Large Print Sudoku Variations Puzzle Books Hard

Panda Puzzle Book
Extra Large Print Sudoku Variations Puzzle Books Hard Book PDF

Author : Panda Puzzle Book
Publisher : Unknown
Page : 138 pages
File Size : 52,8 Mb
Release : 2020-02-11
Category : Electronic
ISBN : 9798612594444

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Extra Large Print Sudoku Variations Puzzle Books Hard by Panda Puzzle Book Pdf

Special Design Sudoku Variations Puzzle Books for Seniors Sudoku puzzles are a proven method for enhancing logic skills. As a logic puzzle, Sudoku is also a great brain game. If you play Sudoku every day, you'll soon begin to see improvements within your concentration and overall brain power. You could reduce your probabilities of Dementia or Alzheimer's simply by solving Sudoku puzzles. By using this selection of sudoku puzzle books you would experience enhanced brain capabilities for example focus, logical thinking, and memory. This specific puzzle book contains a top-quality variety of sudoku puzzles that are guaranteed to challenge you in the best way possible. This book contains 100 Sudoku variations in hard difficulty. The following Sudoku variants are included: Sudoku X Sudoku Hyper Sudoku Twins Sudoku Triathlon A Sudoku Triathlon B Sudoku Marathon Sudoku Samurai Sudoku 12x12 Sudoku 16x16 The regular sudoku rules apply to every 9x9 grid. Put numbers from 1 to 9 in every empty cell. Each row, each column, and each 3x3 box should consist of one of each digit. The puzzles on Sudoku Variants have one unique solution that you can get using logic, absolutely no guessing needed. Features: 100 Sudoku Variants Puzzle Books in hard difficulty An answer key for each sudoku puzzle Puzzles are printed on high-quality white paper, paper size 8,5 x 11 inches Very large print One Puzzle Per Page, solving could be easy on your eyes Choose your book today by clicking on the BUY NOW button at the top of this page.

Sudoku Variants Puzzle Books One Puzzle Per Page Hard Difficulty Large Print

Panda Puzzle Book
Sudoku Variants Puzzle Books One Puzzle Per Page Hard Difficulty Large Print Book PDF

Author : Panda Puzzle Book
Publisher : Unknown
Page : 138 pages
File Size : 40,7 Mb
Release : 2020-02-11
Category : Electronic
ISBN : 9798612544135

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Sudoku Variants Puzzle Books One Puzzle Per Page Hard Difficulty Large Print by Panda Puzzle Book Pdf

Special Design Sudoku Variations Puzzle Books for Seniors Sudoku puzzles are a proven method for enhancing logic skills. As a logic puzzle, Sudoku is also a great brain game. If you play Sudoku every day, you'll soon begin to see improvements within your concentration and overall brain power. You could reduce your probabilities of Dementia or Alzheimer's simply by solving Sudoku puzzles. By using this selection of sudoku puzzle books you would experience enhanced brain capabilities for example focus, logical thinking, and memory. This specific puzzle book contains a top-quality variety of sudoku puzzles that are guaranteed to challenge you in the best way possible. This book contains 100 Sudoku variations in hard difficulty. The following Sudoku variants are included: Sudoku X Sudoku Hyper Sudoku Twins Sudoku Triathlon A Sudoku Triathlon B Sudoku Marathon Sudoku Samurai Sudoku 12x12 Sudoku 16x16 The regular sudoku rules apply to every 9x9 grid. Put numbers from 1 to 9 in every empty cell. Each row, each column, and each 3x3 box should consist of one of each digit. The puzzles on Sudoku Variants have one unique solution that you can get using logic, absolutely no guessing needed. Features: 100 Sudoku Variants Puzzle Books in hard difficulty An answer key for each sudoku puzzle Puzzles are printed on high-quality white paper, paper size 8,5 x 11 inches Very large print One Puzzle Per Page, solving could be easy on your eyes Choose your book today by clicking on the BUY NOW button at the top of this page.

Sudoku Variants Puzzle Books Medium to Hard - Volume 2

Panda Puzzle Book
Sudoku Variants Puzzle Books Medium to Hard Volume 2 Book PDF

Author : Panda Puzzle Book
Publisher : Unknown
Page : 148 pages
File Size : 50,8 Mb
Release : 2019-10-30
Category : Electronic
ISBN : 1704002184

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Sudoku Variants Puzzle Books Medium to Hard - Volume 2 by Panda Puzzle Book Pdf

This specific puzzle book contains a top-quality variety of sudoku puzzles which are guaranteed to challenge you in the best way possible. This book contains 180 Sudoku variations in medium to hard difficulty. The following Sudoku variants are included: Sudoku X Sudoku Hyper Sudoku Twins Sudoku Triathlon A Sudoku Triathlon B Sudoku Marathon Sudoku Samurai Sudoku 12x12 Sudoku 16x16 The regular sudoku rules apply to every 9x9 grid. Put numbers from 1 to 9 in every empty cell. Each row, each column, and each 3x3 box should consist of one of each digit. The puzzles on Sudoku Variants have one unique solution that you can get using logic, absolutely no guessing needed. 180 Sudoku Variants Puzzle Books in medium to hard difficulty An answer key for each sudoku puzzle Puzzles are printed on high quality white paper, paper size 8,5 x 11 inches 2 Puzzles Per Page, solving could be easy on your eyes Sudoku puzzles are a proven method for enhancing logic skills. As a logic puzzle, Sudoku is also a great brain game. If you play Sudoku every day, you'll soon begin to see improvements within your concentration and overall brain power. You could reduce your probabilities of Dementia or Alzheimer's simply by solving Sudoku puzzles. By using this selection of sudoku puzzle books you would experience enhanced brain capabilities for example focus, logical thinking and memory. Choose your book today by clicking on the BUY NOW button at the top of this page.

Sudoku Variants Puzzle Books One Puzzle Per Page Normal Difficulty Large Print

Panda Puzzle Book
Sudoku Variants Puzzle Books One Puzzle Per Page Normal Difficulty Large Print Book PDF

Author : Panda Puzzle Book
Publisher : Unknown
Page : 138 pages
File Size : 43,8 Mb
Release : 2020-02-11
Category : Electronic
ISBN : 9798612537601

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Sudoku Variants Puzzle Books One Puzzle Per Page Normal Difficulty Large Print by Panda Puzzle Book Pdf

Special Design Sudoku Variations Puzzle Books for Seniors Sudoku puzzles are a proven method for enhancing logic skills. As a logic puzzle, Sudoku is also a great brain game. If you play Sudoku every day, you'll soon begin to see improvements within your concentration and overall brain power. You could reduce your probabilities of Dementia or Alzheimer's simply by solving Sudoku puzzles. By using this selection of sudoku puzzle books you would experience enhanced brain capabilities for example focus, logical thinking, and memory. This specific puzzle book contains a top-quality variety of sudoku puzzles that are guaranteed to challenge you in the best way possible. This book contains 100 Sudoku variations in medium difficulty. The following Sudoku variants are included: Sudoku X Sudoku Hyper Sudoku Twins Sudoku Triathlon A Sudoku Triathlon B Sudoku Marathon Sudoku Samurai Sudoku 12x12 Sudoku 16x16 The regular sudoku rules apply to every 9x9 grid. Put numbers from 1 to 9 in every empty cell. Each row, each column, and each 3x3 box should consist of one of each digit. The puzzles on Sudoku Variants have one unique solution that you can get using logic, absolutely no guessing needed. Features: 100 Sudoku Variants Puzzle Books in normal difficulty An answer key for each sudoku puzzle Puzzles are printed on high-quality white paper, paper size 8,5 x 11 inches Very large print One Puzzle Per Page, solving could be easy on your eyes Choose your book today by clicking on the BUY NOW button at the top of this page.

Extra Large Print Sudoku Variations Puzzle Books Medium

Panda Puzzle Book
Extra Large Print Sudoku Variations Puzzle Books Medium Book PDF

Author : Panda Puzzle Book
Publisher : Unknown
Page : 138 pages
File Size : 42,5 Mb
Release : 2020-02-11
Category : Electronic
ISBN : 9798612618157

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Extra Large Print Sudoku Variations Puzzle Books Medium by Panda Puzzle Book Pdf

Special Design Sudoku Variations Puzzle Books for Seniors Sudoku puzzles are a proven method for enhancing logic skills. As a logic puzzle, Sudoku is also a great brain game. If you play Sudoku every day, you'll soon begin to see improvements within your concentration and overall brain power. You could reduce your probabilities of Dementia or Alzheimer's simply by solving Sudoku puzzles. By using this selection of sudoku puzzle books you would experience enhanced brain capabilities for example focus, logical thinking, and memory. This specific puzzle book contains a top-quality variety of sudoku puzzles that are guaranteed to challenge you in the best way possible. This book contains 100 Sudoku variations in medium difficulty. The following Sudoku variants are included: Sudoku X Sudoku Hyper Sudoku Twins Sudoku Triathlon A Sudoku Triathlon B Sudoku Marathon Sudoku Samurai Sudoku 12x12 Sudoku 16x16 The regular sudoku rules apply to every 9x9 grid. Put numbers from 1 to 9 in every empty cell. Each row, each column, and each 3x3 box should consist of one of each digit. The puzzles on Sudoku Variants have one unique solution that you can get using logic, absolutely no guessing needed. Features: 100 Sudoku Variants Puzzle Books in medium difficulty An answer key for each sudoku puzzle Puzzles are printed on high-quality white paper, paper size 8,5 x 11 inches Very large print One Puzzle Per Page, solving could be easy on your eyes Choose your book today by clicking on the BUY NOW button at the top of this page.

Sudoku Variants

R. J. Clarke
Sudoku Variants Book PDF

Author : R. J. Clarke
Publisher : Independently Published
Page : 78 pages
File Size : 45,7 Mb
Release : 2019-01-30
Category : Games & Activities
ISBN : 1795441399

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Sudoku Variants by R. J. Clarke Pdf

This book contains 50 Sudoku variants. This includes popular Sudoku variations such as Samurai Sudoku as well as rarely seen Sudoku variations such as Sudoku Parquet. The 50 Sudoku puzzles are usually presented one per page. Most cells are about 1 cm wide, which provides ample room to make any pencil markings if necessary.Each Sudoku puzzle has been carefully checked to ensure a unique solution and these are presented in the back of the book.If you are bored of other Sudoku puzzle books and don't find Sudoku difficult then you will love this range of different Sudoku puzzles because they will require different logic techniques to solve them. The difficulty level is designed to be a fun challenge that is hard enough that you will have to to think differently to solve them.

X Sudoku - 300 Puzzles Hard Difficulty - Book 1

Panda Puzzle Book
X Sudoku 300 Puzzles Hard Difficulty Book 1 Book PDF

Author : Panda Puzzle Book
Publisher : Independently Published
Page : 106 pages
File Size : 49,9 Mb
Release : 2019-07-05
Category : Electronic
ISBN : 1078281629

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X Sudoku - 300 Puzzles Hard Difficulty - Book 1 by Panda Puzzle Book Pdf

Sudoku puzzles are a proven method for enhancing logic skills. As a logic puzzle, Sudoku is also a great brain game. If you play Sudoku every day, you'll soon begin to see improvements within your concentration and overall brain power. You could reduce your probabilities of Dementia or Alzheimer's simply by solving Sudoku puzzles. By using this selection of sudoku puzzle books you would experience enhanced brain capabilities for example focus, logical thinking and memory. This book contains 300 Sudoku X puzzles in Hard Difficulty. Sudoku-X follows exactly the same guidelines as the standard 9x9 Sudoku puzzle, with the only difference is the cross of shaded squares running from all of four corners to the center square, which should also contain one instance of the numbers 1-9. The goal of the puzzle is to complete the blank squares with the correct numbers. All rows, columns, boxes and also shaded diagonals should end up containing all of the numbers from 1 to 9. Each number can only appear once in a row, column, box and shaded diagonal line. To assist you on the way, a few of the cells have already been filled in with a number. 300 X Sudoku book puzzles in Hard Difficulty 4 puzzle per page An answer key for every sudoku puzzle Puzzles are printed on high quality white paper, format size 8,5 x 11 inches Perfect puzzle book as a special gift Choose your book today by clicking on the BUY NOW button at the top of this page.

X Sudoku - 300 Puzzles Medium Difficulty - Book 1

Panda Puzzle Book
X Sudoku 300 Puzzles Medium Difficulty Book 1 Book PDF

Author : Panda Puzzle Book
Publisher : Unknown
Page : 106 pages
File Size : 49,7 Mb
Release : 2019-07-05
Category : Electronic
ISBN : 1078242941

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X Sudoku - 300 Puzzles Medium Difficulty - Book 1 by Panda Puzzle Book Pdf

This book contains 300 Sudoku X puzzles in medium difficulty. Sudoku-X follows exactly the same guidelines as the standard 9x9 Sudoku puzzle, with the only difference is the cross of shaded squares running from all of four corners to the center square, which should also contain one instance of the numbers 1-9. The goal of the puzzle is to complete the blank squares with the correct numbers. All rows, columns, boxes and also shaded diagonals should end up containing all of the numbers from 1 to 9. Each number can only appear once in a row, column, box and shaded diagonal line. To assist you on the way, a few of the cells have already been filled in with a number. Sudoku puzzles are a proven method for enhancing logic skills. As a logic puzzle, Sudoku is also a great brain game. If you play Sudoku everyday, you'll soon begin to see improvements within your concentration and overall brain power. You could reduce your probabilities of Dementia or Alzheimer's simply by solving Sudoku puzzles. By using this selection of sudoku puzzle books you would experience enhanced brain capabilities for example focus, logical thinking and memory. 300 X Sudoku book puzzles in medium difficulty 4 puzzle per page An answer key for every sudoku puzzle Puzzles are printed on high quality white paper, format size 8,5 x 11 inches Perfect puzzle book for a special gift Choose your book today by clicking on the BUY NOW button at the top of this page.