Sudoku Mix

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The Ultimate Book of Mixed Puzzles

Author : Parragon Books
Publisher : Parragon Books
ISBN 13 : 9781646380169
Total Pages : 0 pages
Book Rating : 4.3/5 (81 download)

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Book Synopsis The Ultimate Book of Mixed Puzzles by : Parragon Books

Download or read book The Ultimate Book of Mixed Puzzles written by Parragon Books and published by Parragon Books. This book was released on 2021-09-21 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Packed with over 450 brain-boosting word search puzzles, sudoku, crossword puzzles, mazes, and more, this collection of unique challenges is designed to keep your mind sharp and thoroughly entertained! Keep your brain fit by searching vertically, diagonally, forwards, and backward in pursuit of hidden words and cracking numbers in sudoku. Help improve memory and focus by completing a new challenge every day! The Ultimate Book of Mixed Puzzles is Part of the Brain Busters Puzzle Collection. OVER 450 PUZZLES & SOLUTIONS Keep your brain fit with hours of fun and entertainment for adults to enjoy! LAY FLAT Spiral-bound lays flat for ease of use at home or on the go. Whether you're drinking your morning coffee, riding on the train, or relaxing on vacation this puzzle book can go with you MAKES A GREAT GIFT Word search books for adults make a perfect gift for Christmas, birthdays, Mother's/Father's Day, and more. For the novice to expert, this word finders puzzle book is a great activity to be enjoyed by all BRAIN BUSTERS(TM) Part of the Brain Busters Puzzle Collection from Parragon & Cottage Door Press. Look for other books including crosswords, picture puzzles, additional word search themed books, large print, and more!

Taking Sudoku Seriously

Author : Jason Rosenhouse
Publisher : Oxford University Press
ISBN 13 : 0199913153
Total Pages : 227 pages
Book Rating : 4.1/5 (999 download)

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Book Synopsis Taking Sudoku Seriously by : Jason Rosenhouse

Download or read book Taking Sudoku Seriously written by Jason Rosenhouse and published by Oxford University Press. This book was released on 2012-01-19 with total page 227 pages. Available in PDF, EPUB and Kindle. Book excerpt: Packed with more than a hundred color illustrations and a wide variety of puzzles and brainteasers, Taking Sudoku Seriously uses this popular craze as the starting point for a fun-filled introduction to higher mathematics. How many Sudoku solution squares are there? What shapes other than three-by-three blocks can serve as acceptable Sudoku regions? What is the fewest number of starting clues a sound Sudoku puzzle can have? Does solving Sudoku require mathematics? Jason Rosenhouse and Laura Taalman show that answering these questions opens the door to a wealth of interesting mathematics. Indeed, they show that Sudoku puzzles and their variants are a gateway into mathematical thinking generally. Among many topics, the authors look at the notion of a Latin square--an object of long-standing interest to mathematicians--of which Sudoku squares are a special case; discuss how one finds interesting Sudoku puzzles; explore the connections between Sudoku, graph theory, and polynomials; and consider Sudoku extremes, including puzzles with the maximal number of vacant regions, with the minimal number of starting clues, and numerous others. The book concludes with a gallery of novel Sudoku variations--just pure solving fun! Most of the puzzles are original to this volume, and all solutions to the puzzles appear in the back of the book or in the text itself. A math book and a puzzle book, Taking Sudoku Seriously will change the way readers look at Sudoku and mathematics, serving both as an introduction to mathematics for puzzle fans and as an exploration of the intricacies of Sudoku for mathematics buffs.

Great Sudoku Mix

Author : Thomas Schreier
Publisher : Createspace Independent Publishing Platform
ISBN 13 : 9781545087282
Total Pages : 84 pages
Book Rating : 4.0/5 (872 download)

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Book Synopsis Great Sudoku Mix by : Thomas Schreier

Download or read book Great Sudoku Mix written by Thomas Schreier and published by Createspace Independent Publishing Platform. This book was released on 2017-03-31 with total page 84 pages. Available in PDF, EPUB and Kindle. Book excerpt: Each edition of the Great Sudoku Mix series contains a total of 100 puzzles in 15 different levels of difficulty: easy, medium and hard. The puzzles require either numbers, letters, hexadecimal digits or symbols. The puzzles are printed as large as possible so that there is enough space for number flags for each number field. All puzzles can be easily solved by excluding letters by process of elimination from other columns, rows, or boxes, leaving only one possible solution at a time. This book contains solutions as well as general game instructions for each of the puzzle variations.

Great Sudoku Mix

Author : Thomas Schreier
Publisher :
ISBN 13 : 9781975854980
Total Pages : 84 pages
Book Rating : 4.8/5 (549 download)

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Book Synopsis Great Sudoku Mix by : Thomas Schreier

Download or read book Great Sudoku Mix written by Thomas Schreier and published by . This book was released on 2017-08-27 with total page 84 pages. Available in PDF, EPUB and Kindle. Book excerpt: Each edition of the Great Sudoku Mix series contains a total of 100 puzzles in 15 different levels of difficulty: easy, medium and hard. The puzzles require either numbers, letters, hexadecimal digits or symbols. The puzzles are printed as large as possible so that there is enough space for number flags for each number field. All puzzles can be easily solved by excluding letters by process of elimination from other columns, rows, or boxes, leaving only one possible solution at a time. This book contains solutions as well as general game instructions for each of the puzzle variations.

Great Sudoku Mix

Author : Thomas Schreier
Publisher :
ISBN 13 : 9781975854997
Total Pages : 84 pages
Book Rating : 4.8/5 (549 download)

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Book Synopsis Great Sudoku Mix by : Thomas Schreier

Sudoku Mixed Grids - Easy - Volume 37 - 282 Puzzles

Author : Nick Snels
Publisher : PuzzleBooks.net
ISBN 13 : 1502545268
Total Pages : 181 pages
Book Rating : 4.5/5 (25 download)

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Book Synopsis Sudoku Mixed Grids - Easy - Volume 37 - 282 Puzzles by : Nick Snels

Download or read book Sudoku Mixed Grids - Easy - Volume 37 - 282 Puzzles written by Nick Snels and published by PuzzleBooks.net. This book was released on 2014-09-28 with total page 181 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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! Sudoku is a fun and addicting logic puzzle game that has taken the world by storm. This book is ideal if you love to play Sudoku no matter their size. This book is ideal for beginners to learn how to solve different sizes of Sudoku. You get the perfect mix of different sizes of Sudoku to keep you entertained for weeks. 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 Mixed Grids - Easy is a collection of 282 puzzle: 48 easy Sudoku 9x9 puzzle 48 easy Sudoku 10x10 puzzle 48 easy Sudoku 12x12 puzzle 48 easy Sudoku 15x15 puzzle 48 easy Sudoku 16x16 puzzle 42 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.

Krazydad Two Not Touch Volume 1: 360 Star Battle Puzzles to Preserve Your Sanity in These Trying Times

Author : Jim Bumgardner
Publisher : Krazydad Two Not Touch
ISBN 13 : 9781946855367
Total Pages : 92 pages
Book Rating : 4.8/5 (553 download)

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Book Synopsis Krazydad Two Not Touch Volume 1: 360 Star Battle Puzzles to Preserve Your Sanity in These Trying Times by : Jim Bumgardner

Download or read book Krazydad Two Not Touch Volume 1: 360 Star Battle Puzzles to Preserve Your Sanity in These Trying Times written by Jim Bumgardner and published by Krazydad Two Not Touch. This book was released on 2020-07-27 with total page 92 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.

299 Sudoku Mix

Author : John Rob
Publisher : CreateSpace
ISBN 13 : 9781511453226
Total Pages : 206 pages
Book Rating : 4.4/5 (532 download)

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Book Synopsis 299 Sudoku Mix by : John Rob

Download or read book 299 Sudoku Mix written by John Rob and published by CreateSpace. This book was released on 2015-04-30 with total page 206 pages. Available in PDF, EPUB and Kindle. Book excerpt: 299+1 unique sudoku puzzles. A mix of easy, medium and hard puzzles with solutions.

Sudoku Mixed Grids Deluxe - Extreme - Volume 61 - 476 Logic Puzzles

Author : Nick Snels
Publisher : PuzzleBooks.net
ISBN 13 : 1505651557
Total Pages : 293 pages
Book Rating : 4.5/5 (56 download)

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Book Synopsis Sudoku Mixed Grids Deluxe - Extreme - Volume 61 - 476 Logic Puzzles by : Nick Snels

Download or read book Sudoku Mixed Grids Deluxe - Extreme - Volume 61 - 476 Logic Puzzles written by Nick Snels and published by PuzzleBooks.net. This book was released on 2014-12-19 with total page 293 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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! Sudoku is a fun and addicting logic puzzle game that has taken the world by storm. You get the perfect mix of different sizes of extremely difficult Sudoku puzzle. You get the perfect mix of different sizes of Sudoku to keep you entertained for weeks. 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 Mixed Grids Deluxe - Extreme is a collection of 476 puzzle: 88 extreme Sudoku 9x9 puzzle 88 extreme Sudoku 10x10 puzzle 88 extreme Sudoku 12x12 puzzle 88 extreme Sudoku 15x15 puzzle 88 extreme Sudoku 16x16 puzzle 36 extra logic puzzle 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.

Sudoku Mixed Grids - Easy to Extreme - Volume 36 - 282 Puzzles

Author : Nick Snels
Publisher : PuzzleBooks.net
ISBN 13 : 1502545144
Total Pages : 181 pages
Book Rating : 4.5/5 (25 download)

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Book Synopsis Sudoku Mixed Grids - Easy to Extreme - Volume 36 - 282 Puzzles by : Nick Snels

Download or read book Sudoku Mixed Grids - Easy to Extreme - Volume 36 - 282 Puzzles written by Nick Snels and published by PuzzleBooks.net. This book was released on 2014-09-28 with total page 181 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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 different sizes of Sudoku. You get the perfect mix of different sizes of Sudoku to keep you entertained for weeks. After solving all the puzzle in this book, you will be a Sudoku Pro. You start with easy Sudoku puzzle, which keep getting bigger and bigger 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 Mixed Grids - Easy to Extreme is a collection of 282 puzzle: 12 easy Sudoku puzzle per grid size (9x9, 10x10, 12x12, 15x15, 16x16), totaling 60 easy puzzle 12 medium Sudoku puzzle per grid size (9x9, 10x10, 12x12, 15x15, 16x16), totaling 60 medium puzzle 12 hard Sudoku puzzle per grid size (9x9, 10x10, 12x12, 15x15, 16x16), totaling 60 hard puzzle 12 extreme Sudoku puzzle per grid size (9x9, 10x10, 12x12, 15x15, 16x16), totaling 60 extreme puzzle 42 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.

Sudoku Mixed Grids Deluxe - Easy to Extreme - Volume 42 - 476 Puzzles

Author : Nick Snels
Publisher : PuzzleBooks.net
ISBN 13 : 1502545985
Total Pages : 293 pages
Book Rating : 4.5/5 (25 download)

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Book Synopsis Sudoku Mixed Grids Deluxe - Easy to Extreme - Volume 42 - 476 Puzzles by : Nick Snels

Download or read book Sudoku Mixed Grids Deluxe - Easy to Extreme - Volume 42 - 476 Puzzles written by Nick Snels and published by PuzzleBooks.net. This book was released on 2014-09-28 with total page 293 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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 different sizes of Sudoku. You get the perfect mix of different sizes of Sudoku to keep you entertained for weeks. After solving all the puzzle in this book, you will be a Sudoku Pro. You start with easy Sudoku puzzle, which keep getting bigger and bigger 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 Mixed Grids Deluxe - Easy to Extreme is a collection of 476 puzzle: 22 easy Sudoku puzzle per grid size (9x9, 10x10, 12x12, 15x15, 16x16), totaling 110 easy puzzle 22 medium Sudoku puzzle per grid size (9x9, 10x10, 12x12, 15x15, 16x16), totaling 110 medium puzzle 22 hard Sudoku puzzle per grid size (9x9, 10x10, 12x12, 15x15, 16x16), totaling 110 hard puzzle 22 extreme Sudoku puzzle per grid size (9x9, 10x10, 12x12, 15x15, 16x16), totaling 110 extreme puzzle 36 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.

Sudoku Mixed Grids Large Print - Easy to Extreme - Volume 41 - 267 Puzzles

Author : Nick Snels
Publisher : PuzzleBooks.net
ISBN 13 : 1502545756
Total Pages : 311 pages
Book Rating : 4.5/5 (25 download)

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Book Synopsis Sudoku Mixed Grids Large Print - Easy to Extreme - Volume 41 - 267 Puzzles by : Nick Snels

Download or read book Sudoku Mixed Grids Large Print - Easy to Extreme - Volume 41 - 267 Puzzles written by Nick Snels and published by PuzzleBooks.net. This book was released on 2014-09-28 with total page 311 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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 different sizes of Sudoku. You get the perfect mix of different sizes of Sudoku to keep you entertained for weeks. After solving all the puzzle in this book, you will be a Sudoku Pro. You start with easy Sudoku puzzle, which keep getting bigger and bigger 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 Mixed Grids Large Print - Easy to Extreme is a collection of 267 puzzle: 12 easy Sudoku puzzle per grid size (9x9, 10x10, 12x12, 15x15, 16x16), totaling 60 easy puzzle 12 medium Sudoku puzzle per grid size (9x9, 10x10, 12x12, 15x15, 16x16), totaling 60 medium puzzle 12 hard Sudoku puzzle per grid size (9x9, 10x10, 12x12, 15x15, 16x16), totaling 60 hard puzzle 12 extreme Sudoku puzzle per grid size (9x9, 10x10, 12x12, 15x15, 16x16), totaling 60 extreme puzzle 27 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.

The Art of Sudoku

Author : Thomas Snyder
Publisher :
ISBN 13 : 9780985009403
Total Pages : 144 pages
Book Rating : 4.0/5 (94 download)

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Book Synopsis The Art of Sudoku by : Thomas Snyder

Download or read book The Art of Sudoku written by Thomas Snyder and published by . This book was released on 2012-04 with total page 144 pages. Available in PDF, EPUB and Kindle. Book excerpt: You've never seen Sudoku like this! In The Art of Sudoku you'll find 120 hand-crafted masterpieces from World Sudoku Champion Thomas Snyder, with artistic and logical themes that could never have been produced by random computer generation. Whether you're a sudoku novice or a sudoku grandmaster, The Art of Sudoku will open your eyes to the amazing possibilities of this numbers puzzle and leave you wanting more.

Sudoku Mixed Grids - Extreme - Volume 40 - 282 Puzzles

Author : Nick Snels
Publisher : PuzzleBooks.net
ISBN 13 : 1502545489
Total Pages : 181 pages
Book Rating : 4.5/5 (25 download)

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Book Synopsis Sudoku Mixed Grids - Extreme - Volume 40 - 282 Puzzles by : Nick Snels

Download or read book Sudoku Mixed Grids - Extreme - Volume 40 - 282 Puzzles written by Nick Snels and published by PuzzleBooks.net. This book was released on 2014-09-28 with total page 181 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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! Sudoku is a fun and addicting logic puzzle game that has taken the world by storm. You get the perfect mix of different sizes of extremely difficult Sudoku puzzle. You get the perfect mix of different sizes of Sudoku to keep you entertained for weeks. 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 Mixed Grids - Extreme is a collection of 282 puzzle: 48 extreme Sudoku 9x9 puzzle 48 extreme Sudoku 10x10 puzzle 48 extreme Sudoku 12x12 puzzle 48 extreme Sudoku 15x15 puzzle 48 extreme Sudoku 16x16 puzzle 42 extra logic puzzle 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.

Sudoku Mixed Grids - Medium - Volume 38 - 282 Puzzles

Author : Nick Snels
Publisher : PuzzleBooks.net
ISBN 13 : 1502545349
Total Pages : 181 pages
Book Rating : 4.5/5 (25 download)

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Book Synopsis Sudoku Mixed Grids - Medium - Volume 38 - 282 Puzzles by : Nick Snels

Download or read book Sudoku Mixed Grids - Medium - Volume 38 - 282 Puzzles written by Nick Snels and published by PuzzleBooks.net. This book was released on 2014-09-28 with total page 181 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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! Sudoku is a fun and addicting logic puzzle game that has taken the world by storm. This book is ideal if you know how to play Sudoku no matter their size, but you find our hard Sudoku puzzle too difficult. You get the perfect mix of different sizes of Sudoku to keep you entertained for weeks. 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 Mixed Grids - Medium is a collection of 282 puzzle: 48 medium Sudoku 9x9 puzzle 48 medium Sudoku 10x10 puzzle 48 medium Sudoku 12x12 puzzle 48 medium Sudoku 15x15 puzzle 48 medium Sudoku 16x16 puzzle 42 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.

Sudoku Puzzles Mix 150 - Easy, Medium, Hard, 9x9 2

Author : William Brown
Publisher : Createspace Independent Publishing Platform
ISBN 13 : 9781983568992
Total Pages : 156 pages
Book Rating : 4.5/5 (689 download)

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Book Synopsis Sudoku Puzzles Mix 150 - Easy, Medium, Hard, 9x9 2 by : William Brown

Download or read book Sudoku Puzzles Mix 150 - Easy, Medium, Hard, 9x9 2 written by William Brown and published by Createspace Independent Publishing Platform. This book was released on 2018-01-07 with total page 156 pages. Available in PDF, EPUB and Kindle. Book excerpt: Sudoku Puzzles Mix 150 - Easy, Medium, Hard, 9x9

Sudoku Mixed Grids - Hard - Volume 39 - 282 Puzzles

Author : Nick Snels
Publisher : PuzzleBooks.net
ISBN 13 : 1502545381
Total Pages : 181 pages
Book Rating : 4.5/5 (25 download)

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Book Synopsis Sudoku Mixed Grids - Hard - Volume 39 - 282 Puzzles by : Nick Snels

Download or read book Sudoku Mixed Grids - Hard - Volume 39 - 282 Puzzles written by Nick Snels and published by PuzzleBooks.net. This book was released on 2014-09-28 with total page 181 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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! Sudoku is a fun and addicting logic puzzle game that has taken the world by storm. This book is ideal for you if you love to solve difficult Sudoku puzzle no matter their size. You do not need to wade through tons of easy Sudoku puzzle before getting to the real brain teasers. You get the perfect mix of different sizes of Sudoku to keep you entertained for weeks. 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 Mixed Grids - Hard is a collection of 282 puzzle: 48 hard Sudoku 9x9 puzzle 48 hard Sudoku 10x10 puzzle 48 hard Sudoku 12x12 puzzle 48 hard Sudoku 15x15 puzzle 48 hard Sudoku 16x16 puzzle 42 extra logic puzzle 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.