Author: Nick Snels
Publisher: PuzzleBooks.net
ISBN: 1505677041
Category : Games & Activities
Languages : en
Pages : 181
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! Wordoku or Alphabet Sudoku is played in the same way as Sudoku, except it uses letters instead of numbers. This book is ideal if you are a Wordoku expert. In this book, you find the most extreme Wordoku puzzle ever. 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. Wordoku 9x9 - Extreme is a collection of 276 puzzle: 216 extreme Wordoku 9x9 puzzle 60 extra logic puzzle 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 puzzle in this book will appear in any of the other English PuzzleBooks.net books. Wordoku is also known as Wordoku, Alphabet Sudoku, Word Sudoku.
Wordoku 9x9 - Extreme - Volume 9 - 276 Logic Puzzles
Author: Nick Snels
Publisher: PuzzleBooks.net
ISBN: 1505677041
Category : Games & Activities
Languages : en
Pages : 181
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! Wordoku or Alphabet Sudoku is played in the same way as Sudoku, except it uses letters instead of numbers. This book is ideal if you are a Wordoku expert. In this book, you find the most extreme Wordoku puzzle ever. 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. Wordoku 9x9 - Extreme is a collection of 276 puzzle: 216 extreme Wordoku 9x9 puzzle 60 extra logic puzzle 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 puzzle in this book will appear in any of the other English PuzzleBooks.net books. Wordoku is also known as Wordoku, Alphabet Sudoku, Word Sudoku.
Publisher: PuzzleBooks.net
ISBN: 1505677041
Category : Games & Activities
Languages : en
Pages : 181
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! Wordoku or Alphabet Sudoku is played in the same way as Sudoku, except it uses letters instead of numbers. This book is ideal if you are a Wordoku expert. In this book, you find the most extreme Wordoku puzzle ever. 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. Wordoku 9x9 - Extreme is a collection of 276 puzzle: 216 extreme Wordoku 9x9 puzzle 60 extra logic puzzle 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 puzzle in this book will appear in any of the other English PuzzleBooks.net books. Wordoku is also known as Wordoku, Alphabet Sudoku, Word Sudoku.
Wordoku 9x9 Large Print - Easy to Extreme - Volume 10 - 276 Logic Puzzles
Author: Nick Snels
Publisher: PuzzleBooks.net
ISBN: 1505677173
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 Wordoku. After solving all the puzzle in this book, you will be a Wordoku Pro. You start with easy Wordoku puzzle and you gradually build your way up to extremely difficult Wordoku 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. Wordoku 9x9 Large Print - Easy to Extreme is a collection of 276 puzzle: 54 easy Wordoku 9x9 puzzle 54 medium Wordoku 9x9 puzzle 54 hard Wordoku 9x9 puzzle 54 extreme Wordoku 9x9 puzzle 60 extra logic puzzle 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 puzzle in this book will appear in any of the other English PuzzleBooks.net books. Wordoku is also known as Wordoku, Alphabet Sudoku, Word Sudoku.
Publisher: PuzzleBooks.net
ISBN: 1505677173
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 Wordoku. After solving all the puzzle in this book, you will be a Wordoku Pro. You start with easy Wordoku puzzle and you gradually build your way up to extremely difficult Wordoku 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. Wordoku 9x9 Large Print - Easy to Extreme is a collection of 276 puzzle: 54 easy Wordoku 9x9 puzzle 54 medium Wordoku 9x9 puzzle 54 hard Wordoku 9x9 puzzle 54 extreme Wordoku 9x9 puzzle 60 extra logic puzzle 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 puzzle in this book will appear in any of the other English PuzzleBooks.net books. Wordoku is also known as Wordoku, Alphabet Sudoku, Word Sudoku.
Sudoku X 16x16 - Hard to Extreme - Volume 10 - 276 Puzzles
Author: Nick Snels
Publisher: PuzzleBooks.net
ISBN: 150336433X
Category : Games & Activities
Languages : en
Pages : 181
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 X. After solving all the puzzle in this book, you will be a Sudoku X Pro. You start with easy Sudoku X puzzle and you gradually build your way up to extremely difficult Sudoku X 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 X 16x16 - Hard to Extreme is a collection of 276 puzzle: 108 hard Sudoku X 16x16 puzzle 108 extreme Sudoku X 16x16 puzzle 60 extra logic puzzle 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 puzzle in this book will appear in any of the other English PuzzleBooks.net books. Sudoku X is also known as Diagonal Sudoku, Kokonotsu, Taikakusen Nanpure, Diagonal Line Number Place, Sudoku-X.
Publisher: PuzzleBooks.net
ISBN: 150336433X
Category : Games & Activities
Languages : en
Pages : 181
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 X. After solving all the puzzle in this book, you will be a Sudoku X Pro. You start with easy Sudoku X puzzle and you gradually build your way up to extremely difficult Sudoku X 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 X 16x16 - Hard to Extreme is a collection of 276 puzzle: 108 hard Sudoku X 16x16 puzzle 108 extreme Sudoku X 16x16 puzzle 60 extra logic puzzle 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 puzzle in this book will appear in any of the other English PuzzleBooks.net books. Sudoku X is also known as Diagonal Sudoku, Kokonotsu, Taikakusen Nanpure, Diagonal Line Number Place, Sudoku-X.
Fighter Aircrafts Coloring Book for Adults 1, 2 & 3
Author: Nick Snels
Publisher: ColoringArtist.com
ISBN:
Category : Games & Activities
Languages : en
Pages : 243
Book Description
When you buy this book you get an electronic version (PDF file) of the interior of this book. 120 coloring pages filled with sideviews of fighter airplanes. Perfect for all airplane or aircraft lovers. The book features the following airplane models: AIDC F-CK-1 Ching-Kuo Albatros D.X. Albatros Dr.II Bell P-39 Airacobra Bell P-59 Airacomet Bell RP-63C Boulton Paul Defiant Brewster F2A Buffalo Bristol Beaufighter CAC CA-12 Boomerang Chengdu J-10 Chengdu J-20 Chengdu J-7 Curtiss P-40 Warhawk Dassault MD.450 Ouragan Dassault MD.452 Mystère Dassault MD.454 Mystère IV Dassault Mirage 2000 Dassault Mirage F1 Dassault Rafale Dassault Super Mystère de Havilland DH. 110 Sea Vixen de Havilland Vampire-Venom Dornier Do 335 Douglas A-4 Skyhawk Douglas F3D Skyknight Douglas XA4D-1 Skyhawk English Electric Lightning F.Mk 6 English Electric Lightning Mk 53 Fairchild AU-23 Peacemaker FFVS J 22 Fiat Aeritalia G.91Y Fiat G.50 Freccia Fiat G.91R Folland Gnat General Dynamics F-111 Aardvark General Dynamics F-16 Gloster Gladiator Gloster Javelin Gloster Meteor F.4 Gloster Meteor F.8 Grumman F-9 Cougar Grumman F6F Hellcat Grumman F9F-5 Panther Hawker Hurricane Hawker Sea Hawk Hawker Tempest Heinkel He 100 Heinkel He 112 Heinkel He 162 Volksjäger Heinkel He 219 Uhu IAI Kfir Kawanishi N1K Kyofu Kawasaki Ki-100 Kawasaki Ki-61 Hien LFG Roland D.IX Lockheed Martin F-22 Raptor Lockheed Martin F-35 Lightning II Lockheed P-38 Lightning Macchi C.200 Saetta Macchi C.202 Folgore McDonnell Douglas F-15E Strike Eagle McDonnell Douglas F-4E Phantom II McDonnell Douglas F-4G Wild Weasel V McDonnell Douglas F/A-18 Hornet McDonnell XF-85 Goblin Messerschmitt Bf 109 Messerschmitt Me 262 Schwalbe Messerschmitt Me 410 Hornisse Mikoyan MiG-29 Mikoyan-Gurevich MiG-15 Mikoyan-Gurevich MiG-17 Mikoyan-Gurevich MiG-25/li> Mikoyan-Gurevich MiG-3 Mitsubishi A5M Mitsubishi J2M Raiden Mitsubishi Ki-83 Morane-Saulnier AC Morane-Saulnier AF Morane-Saulnier N Nakajima J1N Nakajima Ki-43 Nakajima Ki-84 Hayate Nieuport 17 North American F-107 Ultra Sabre North American F-82 Twin Mustang North American F-86 Sabre North American FJ-2/-3 Fury North American P-51 Mustang Northrop F-5e Tiger II PAC JF-17 Thunder, CAC FC-1 Xiaolong Pfalz D.III Polikarpov I-15 Polikarpov I-16 PZL P.11 PZL.37 Los Reggiane Re.2000 Falco I Republic F-84 Thunderjet Republic F-84F Thunderstreak Saab 32 Lansen Saab 37 Viggen Shenyang FC-31, J-31, J-35 Sukhoi Su-27 Sukhoi Su-34 Sukhoi Su-7 Supermarine Spitfire Mk XII Supermarine Spitfire V - IX Vought F-8 Crusader Vought F4U Corsair Vought F6U Pirate Vought XF4U-1 Corsair Vought XF8U-3 Crusader III Yakovlev Yak-17 Yakovlev Yak-23 Yakovlev Yak-38 Yakovlev Yak-3 Yokosuka D4Y Suisei Learn more and see our entire collection of coloring books at www.coloringartist.com or contact us at [email protected]. If you enjoy your book, please return to this page and leave a positive review to help us reach more people like you.
Publisher: ColoringArtist.com
ISBN:
Category : Games & Activities
Languages : en
Pages : 243
Book Description
When you buy this book you get an electronic version (PDF file) of the interior of this book. 120 coloring pages filled with sideviews of fighter airplanes. Perfect for all airplane or aircraft lovers. The book features the following airplane models: AIDC F-CK-1 Ching-Kuo Albatros D.X. Albatros Dr.II Bell P-39 Airacobra Bell P-59 Airacomet Bell RP-63C Boulton Paul Defiant Brewster F2A Buffalo Bristol Beaufighter CAC CA-12 Boomerang Chengdu J-10 Chengdu J-20 Chengdu J-7 Curtiss P-40 Warhawk Dassault MD.450 Ouragan Dassault MD.452 Mystère Dassault MD.454 Mystère IV Dassault Mirage 2000 Dassault Mirage F1 Dassault Rafale Dassault Super Mystère de Havilland DH. 110 Sea Vixen de Havilland Vampire-Venom Dornier Do 335 Douglas A-4 Skyhawk Douglas F3D Skyknight Douglas XA4D-1 Skyhawk English Electric Lightning F.Mk 6 English Electric Lightning Mk 53 Fairchild AU-23 Peacemaker FFVS J 22 Fiat Aeritalia G.91Y Fiat G.50 Freccia Fiat G.91R Folland Gnat General Dynamics F-111 Aardvark General Dynamics F-16 Gloster Gladiator Gloster Javelin Gloster Meteor F.4 Gloster Meteor F.8 Grumman F-9 Cougar Grumman F6F Hellcat Grumman F9F-5 Panther Hawker Hurricane Hawker Sea Hawk Hawker Tempest Heinkel He 100 Heinkel He 112 Heinkel He 162 Volksjäger Heinkel He 219 Uhu IAI Kfir Kawanishi N1K Kyofu Kawasaki Ki-100 Kawasaki Ki-61 Hien LFG Roland D.IX Lockheed Martin F-22 Raptor Lockheed Martin F-35 Lightning II Lockheed P-38 Lightning Macchi C.200 Saetta Macchi C.202 Folgore McDonnell Douglas F-15E Strike Eagle McDonnell Douglas F-4E Phantom II McDonnell Douglas F-4G Wild Weasel V McDonnell Douglas F/A-18 Hornet McDonnell XF-85 Goblin Messerschmitt Bf 109 Messerschmitt Me 262 Schwalbe Messerschmitt Me 410 Hornisse Mikoyan MiG-29 Mikoyan-Gurevich MiG-15 Mikoyan-Gurevich MiG-17 Mikoyan-Gurevich MiG-25/li> Mikoyan-Gurevich MiG-3 Mitsubishi A5M Mitsubishi J2M Raiden Mitsubishi Ki-83 Morane-Saulnier AC Morane-Saulnier AF Morane-Saulnier N Nakajima J1N Nakajima Ki-43 Nakajima Ki-84 Hayate Nieuport 17 North American F-107 Ultra Sabre North American F-82 Twin Mustang North American F-86 Sabre North American FJ-2/-3 Fury North American P-51 Mustang Northrop F-5e Tiger II PAC JF-17 Thunder, CAC FC-1 Xiaolong Pfalz D.III Polikarpov I-15 Polikarpov I-16 PZL P.11 PZL.37 Los Reggiane Re.2000 Falco I Republic F-84 Thunderjet Republic F-84F Thunderstreak Saab 32 Lansen Saab 37 Viggen Shenyang FC-31, J-31, J-35 Sukhoi Su-27 Sukhoi Su-34 Sukhoi Su-7 Supermarine Spitfire Mk XII Supermarine Spitfire V - IX Vought F-8 Crusader Vought F4U Corsair Vought F6U Pirate Vought XF4U-1 Corsair Vought XF8U-3 Crusader III Yakovlev Yak-17 Yakovlev Yak-23 Yakovlev Yak-38 Yakovlev Yak-3 Yokosuka D4Y Suisei Learn more and see our entire collection of coloring books at www.coloringartist.com or contact us at [email protected]. If you enjoy your book, please return to this page and leave a positive review to help us reach more people like you.
Happy New Year Sudoku - 276 Logic Puzzles
Author: Nick Snels
Publisher: PuzzleBooks.net
ISBN: 1517677254
Category : Games & Activities
Languages : en
Pages : 181
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! Sudoku 17 Clues is a fun and addicting logic puzzle game. This book is ideal for beginners to learn Sudoku 17 Clues. 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. Happy New Year Sudoku is a collection of 276 puzzle: 216 Sudoku 17 Clues 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 17 Clues 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 17 Clues is also known as Number Place, Nanpure, Su Doku.
Publisher: PuzzleBooks.net
ISBN: 1517677254
Category : Games & Activities
Languages : en
Pages : 181
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! Sudoku 17 Clues is a fun and addicting logic puzzle game. This book is ideal for beginners to learn Sudoku 17 Clues. 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. Happy New Year Sudoku is a collection of 276 puzzle: 216 Sudoku 17 Clues 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 17 Clues 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 17 Clues is also known as Number Place, Nanpure, Su Doku.
216 Blank Mega Sudoku 16x16 Grids Large Print
Author: Nick Snels
Publisher: PuzzleBooks.net
ISBN: 1508577536
Category : Games & Activities
Languages : en
Pages : 220
Book Description
When you buy this book you get an electronic version (PDF file) of the interior of this book. This book includes 216 large, blank Sudoku 16x16 grids for you to transfer puzzles over to or to make your own! Only one empty large 16x16 grid per page. You can use the blank Sudoku grids: to transfer Sudoku puzzles from elsewhere to use as practice for any newspaper, magazine, or other Sudoku puzzle to make your own Sudoku puzzles to start over when you made a mistake on a Sudoku puzzle
Publisher: PuzzleBooks.net
ISBN: 1508577536
Category : Games & Activities
Languages : en
Pages : 220
Book Description
When you buy this book you get an electronic version (PDF file) of the interior of this book. This book includes 216 large, blank Sudoku 16x16 grids for you to transfer puzzles over to or to make your own! Only one empty large 16x16 grid per page. You can use the blank Sudoku grids: to transfer Sudoku puzzles from elsewhere to use as practice for any newspaper, magazine, or other Sudoku puzzle to make your own Sudoku puzzles to start over when you made a mistake on a Sudoku puzzle
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.
Hyper Sudoku 16x16 - Easy to Extreme - Volume 2 - 276 Puzzles
Author: Nick Snels
Publisher: PuzzleBooks.net
ISBN: 1502910144
Category : Games & Activities
Languages : en
Pages : 181
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 Hyper Sudoku 16x16. 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 16x16 - Easy to Extreme is a collection of 276 puzzles: 54 easy Hyper Sudoku 16x16 puzzles 54 medium Hyper Sudoku 16x16 puzzles 54 hard Hyper Sudoku 16x16 puzzles 54 extreme Hyper Sudoku 16x16 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.
Publisher: PuzzleBooks.net
ISBN: 1502910144
Category : Games & Activities
Languages : en
Pages : 181
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 Hyper Sudoku 16x16. 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 16x16 - Easy to Extreme is a collection of 276 puzzles: 54 easy Hyper Sudoku 16x16 puzzles 54 medium Hyper Sudoku 16x16 puzzles 54 hard Hyper Sudoku 16x16 puzzles 54 extreme Hyper Sudoku 16x16 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.