Download or read book Anti Knight Sudoku 16x16 Easy to Extreme Volume 5 276 Puzzles written by Nick Snels and published by PuzzleBooks.net. This book was released on 2014-11-08 with total page 180 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. Become a master in solving Anti-Knight Sudoku 16x16. 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 16x16 - Easy to Extreme is a collection of 276 puzzles: 54 easy Anti-Knight Sudoku 16x16 puzzles 54 medium Anti-Knight Sudoku 16x16 puzzles 54 hard Anti-Knight Sudoku 16x16 puzzles 54 extreme Anti-Knight Sudoku 16x16 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 16x16 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.

Download or read book Anti King Sudoku 16x16 Easy to Extreme Volume 5 276 Puzzles written by Nick Snels and published by PuzzleBooks.net. This book was released on 2014-11-08 with total page 180 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. Become a master in solving Anti-King Sudoku 16x16. 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 16x16 - Easy to Extreme is a collection of 276 puzzles: 54 easy Anti-King Sudoku 16x16 puzzles 54 medium Anti-King Sudoku 16x16 puzzles 54 hard Anti-King Sudoku 16x16 puzzles 54 extreme Anti-King Sudoku 16x16 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.

Download or read book Anti Knight Sudoku 15x15 Easy to Extreme Volume 4 276 Puzzles written by Nick Snels and published by PuzzleBooks.net. This book was released on 2014-11-08 with total page 180 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. Become a master in solving Anti-Knight Sudoku 15x15. 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 15x15 - Easy to Extreme is a collection of 276 puzzles: 54 easy Anti-Knight Sudoku 15x15 puzzles 54 medium Anti-Knight Sudoku 15x15 puzzles 54 hard Anti-Knight Sudoku 15x15 puzzles 54 extreme Anti-Knight Sudoku 15x15 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 15x15 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.

Download or read book Anti Knight Sudoku 9x9 Easy to Extreme Volume 1 276 Puzzles written by Nick Snels and published by PuzzleBooks.net. This book was released on 2014-11-08 with total page 180 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. 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.

Download or read book Anti Knight Sudoku 10x10 Easy to Extreme Volume 2 276 Puzzles written by Nick Snels and published by PuzzleBooks.net. This book was released on 2014-11-08 with total page 180 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. Become a master in solving Anti-Knight Sudoku 10x10. 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 10x10 - Easy to Extreme is a collection of 276 puzzles: 54 easy Anti-Knight Sudoku 10x10 puzzles 54 medium Anti-Knight Sudoku 10x10 puzzles 54 hard Anti-Knight Sudoku 10x10 puzzles 54 extreme Anti-Knight Sudoku 10x10 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 10x10 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 10x10 is also known as No Knight Step Sudoku.

Download or read book Wordoku 16x16 Easy to Extreme Volume 5 276 Puzzles written by Nick Snels and published by PuzzleBooks.net. This book was released on 2014-10-20 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 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 16x16 - Easy to Extreme is a collection of 276 puzzle: 54 easy Wordoku 16x16 puzzle 54 medium Wordoku 16x16 puzzle 54 hard Wordoku 16x16 puzzle 54 extreme Wordoku 16x16 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.

Download or read book Anti Diagonal Sudoku 16x16 Easy to Extreme Volume 2 276 Puzzles written by Nick Snels and published by PuzzleBooks.net. This book was released on 2014-11-08 with total page 180 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. Become a master in solving Anti Diagonal Sudoku 16x16. 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 16x16 - Easy to Extreme is a collection of 276 puzzles: 54 easy Anti Diagonal Sudoku 16x16 puzzles 54 medium Anti Diagonal Sudoku 16x16 puzzles 54 hard Anti Diagonal Sudoku 16x16 puzzles 54 extreme Anti Diagonal Sudoku 16x16 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.

Download or read book Anti Knight Sudoku 12x12 Easy to Extreme Volume 3 276 Puzzles written by Nick Snels and published by PuzzleBooks.net. This book was released on 2014-11-08 with total page 180 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. Become a master in solving Anti-Knight Sudoku 12x12. 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 12x12 - Easy to Extreme is a collection of 276 puzzles: 54 easy Anti-Knight Sudoku 12x12 puzzles 54 medium Anti-Knight Sudoku 12x12 puzzles 54 hard Anti-Knight Sudoku 12x12 puzzles 54 extreme Anti-Knight Sudoku 12x12 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 12x12 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.

Download or read book Anti King Sudoku 9x9 Easy to Extreme Volume 1 276 Puzzles written by Nick Snels and published by PuzzleBooks.net. This book was released on 2014-11-08 with total page 180 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. 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.

Download or read book Anti King Sudoku 10x10 Easy to Extreme Volume 2 276 Puzzles written by Nick Snels and published by PuzzleBooks.net. This book was released on 2014-11-08 with total page 180 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. Become a master in solving Anti-King Sudoku 10x10. 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 10x10 - Easy to Extreme is a collection of 276 puzzles: 54 easy Anti-King Sudoku 10x10 puzzles 54 medium Anti-King Sudoku 10x10 puzzles 54 hard Anti-King Sudoku 10x10 puzzles 54 extreme Anti-King Sudoku 10x10 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.

Download or read book Anti King Sudoku 15x15 Easy to Extreme Volume 4 276 Puzzles written by Nick Snels and published by PuzzleBooks.net. This book was released on 2014-11-08 with total page 180 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. Become a master in solving Anti-King Sudoku 15x15. 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 15x15 - Easy to Extreme is a collection of 276 puzzles: 54 easy Anti-King Sudoku 15x15 puzzles 54 medium Anti-King Sudoku 15x15 puzzles 54 hard Anti-King Sudoku 15x15 puzzles 54 extreme Anti-King Sudoku 15x15 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.

Download or read book Anti King Sudoku 12x12 Easy to Extreme Volume 3 276 Puzzles written by Nick Snels and published by PuzzleBooks.net. This book was released on 2014-11-08 with total page 180 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. Become a master in solving Anti-King Sudoku 12x12. 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 12x12 - Easy to Extreme is a collection of 276 puzzles: 54 easy Anti-King Sudoku 12x12 puzzles 54 medium Anti-King Sudoku 12x12 puzzles 54 hard Anti-King Sudoku 12x12 puzzles 54 extreme Anti-King Sudoku 12x12 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.

Download or read book Anti Diagonal Sudoku 9x9 Easy to Extreme Volume 1 276 Puzzles written by Nick Snels and published by PuzzleBooks.net. This book was released on 2014-11-08 with total page 180 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. 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.

Download or read book Sudoku Anti Cavallo 16x16 Da Facile a Diabolico Volume 5 276 Puzzle written by Nick Snels and published by PuzzleBooks.net. This book was released on 2015-05-07 with total page 180 pages. Available in PDF, EPUB and Kindle. Book excerpt: All'acquisto di questo libro otterrai una versione elettronica (file PDF) del suo contenuto. Diventa un maestro nel risolvere i Sudoku Anti-Cavallo. Quando imparerai a risolvere i giochi contenuti in questo volume, potrai definirti un PRO. Inizierai con i Sudoku Anti-Cavallo più facili, e gradualmente sarai guidato nella soluzione di quelli diabolici. Una volta che prenderai in mano questo libro non lo lascerai facilmente. Sei avvisato! Sudoku Anti-Cavallo 16x16 - Da Facile a Diabolico è una raccolta di 276 puzzle: 54 Sudoku Anti-Cavallo 16x16 puzzle facili 54 Sudoku Anti-Cavallo 16x16 puzzle medi 54 Sudoku Anti-Cavallo 16x16 puzzle difficili 54 Sudoku Anti-Cavallo 16x16 puzzle diabolici 60 giochi extra Nel Sudoku Anti-Cavallo bisogna inserire un numero in ogni casella vuota, così che ogni riga, colonna e regione contenga ogni numero una sola volta, e tutte le caselle che si trovano a distanza di una mossa di cavallo (2 caselle in una direzione e 1 in un'altra) devono avere numeri diversi. Garantisco che ogni gioco di logica contenuto in questo volume è stato accuratamente testato, per assicurare che esista una sola soluzione. Nessuno dei giochi contenuti in questo volume apparirà in altri PuzzleBooks.net libri italiani. Questo volume è la versione italiana di 'Anti-Knight Sudoku 16x16 - Easy to Extreme - Volume 5 - 276 Puzzles'.

Download or read book Sudoku Anti Chevalier 16x16 Facile Diabolique Volume 5 276 Grilles written by Nick Snels and published by PuzzleBooks.net. This book was released on 2015-05-03 with total page 180 pages. Available in PDF, EPUB and Kindle. Book excerpt: Lorsque vous achetez ce livre, vous obtenez une version numérique (fichier PDF) du contenu de ce livre. Devenez un maître en résolution de Sudoku Anti-Chevalier. Après avoir résolu les jeux de ce livre, vous serez un pro en Sudoku Anti-Chevalier. Commencez avec des Sudoku Anti-Chevalier faciles puis continuez progressivement jusqu'aux Sudoku Anti-Chevalier extrêmement difficiles. Une fois que vous aurez commencé ce livre, vous ne serez plus en mesure de vous arrêter. Vous voilà avertis! Le Sudoku Anti-Chevalier 16x16 - Facile à Diabolique contient 276 grilles: 54 grilles faciles de Sudoku Anti-Chevalier 16x16 54 grilles mediums de Sudoku Anti-Chevalier 16x16 54 grilles difficiles de Sudoku Anti-Chevalier 16x16 54 grilles diaboliques de Sudoku Anti-Chevalier 16x16 60 jeux de logique supplémentaires L'objectif du Sudoku Anti-Chevalier est de remplir des cases vides en mettant un chiffre par case, de sorte que chaque colonne, rangée et région contiennent chaque chiffre une seule fois. Toutes les cases ayant le mouvement du cavalier aux échecs (déplacement de 2 par 1), doivent contenir des chiffres différents. Je garantis que chaque jeu de logique dans ce livre de Sudoku Anti-Chevalier a été soigneusement vérifié afin de vous assurer que chacun des jeux ne possède qu'une seule solution. Aucun des jeux de ce livre n'apparaît dans un autre PuzzleBooks.net livre de jeux français. Ce livre est la version française de 'Anti-Knight Sudoku 16x16 - Easy to Extreme - Volume 5 - 276 Puzzles'. Sudoku Anti-Chevalier est également connu sous le nom de Anti-Knight Sudoku.

Download or read book Hyper Sudoku 9x9 Easy to Extreme Volume 1 276 Puzzles written by Nick Snels and published by PuzzleBooks.net. This book was released on 2014-10-20 with total page 180 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. 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.

Download or read book 500 Sudoku Anti Knight Puzzles Easy to Very Hard written by Alena Gurin and published by . This book was released on 2020-10-26 with total page 132 pages. Available in PDF, EPUB and Kindle. Book excerpt: 500 excellent puzzles at the level of Easy to Very Hard. 50 Easy, 150 medium, 150 Hard, 150 Very Hard puzzles. All riddles have only 1 solution. 6 puzzles per page. The font size is correct, you will not have to strain your eyes when solving puzzles. High quality paper and print (all puzzles read well, easy to write with pen and pencil without worry of bleed-through). 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.