Download or read book Killer Sudoku Mixed Grids Medium written by Nick Snels and published by Createspace Independent Publishing Platform. This book was released on 2014-10-10 with total page 180 pages. Available in PDF, EPUB and Kindle. Book excerpt: Killer Sudoku is a fun and addicting logic puzzle game that combines Sudoku with an addition math game. Killer Sudoku is a fun way for kids and adults to practice addition facts. This book is ideal for you if you know how to play Killer Sudoku no matter their size, but you find our hard Killer Sudoku puzzles too difficult. You will experience Killer Sudoku 9x9, Killer Sudoku 10x10 and Killer Sudoku 12x12. You get the perfect mix of different sizes of Killer 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! The goal of Killer Sudoku is to fill in the empty cells, one number in each, so that each column, row, and region contains each number exactly once. The sum of all numbers in a cage (indicated by the dashed lines) must match the small number printed in its corner. No number can be repeated within a cage. Killer Sudoku Mixed Grids - Medium is a collection of 276 puzzles: 72 medium Killer Sudoku 9x9 puzzles 72 medium Killer Sudoku 10x10 puzzles 72 medium Killer Sudoku 12x12 puzzles 60 extra logic puzzles I guarantee that every logic puzzle in this Killer 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. Killer Sudoku is also known as Sums Sudoku, Sumdoku, Sum Doku, Addoku, Killer Su Doku, Samunamupure, Kikagaku Nampure, Samu Nanpure, Sums Number Place.

Download or read book Killer Sudoku Mixed Grids Easy to Hard written by Nick Snels and published by Createspace Independent Publishing Platform. This book was released on 2014-10-10 with total page 180 pages. Available in PDF, EPUB and Kindle. Book excerpt: Become a master in solving Killer Sudoku. You will experience Killer Sudoku 9x9, Killer Sudoku 10x10 and Killer Sudoku 12x12. You get the perfect mix of different sizes of Killer Sudoku to keep you entertained for weeks. After solving all the puzzles in this book, you will be a Killer Sudoku Pro. You start with easy Killer Sudoku puzzles, which keep getting bigger and bigger and you gradually build your way up to extremely hard Killer Sudoku puzzles. Once you pick up this book, you won't be able to put it back down. You have been warned! The goal of Killer Sudoku is to fill in the empty cells, one number in each, so that each column, row, and region contains each number exactly once. The sum of all numbers in a cage (indicated by the dashed lines) must match the small number printed in its corner. No number can be repeated within a cage. Killer Sudoku Mixed Grids - Easy to Hard is a collection of 276 puzzles: 24 easy Killer Sudoku puzzles per grid size, totaling 72 easy puzzles 24 medium Killer Sudoku puzzles per grid size, totaling 72 medium puzzles 24 hard Killer Sudoku puzzles per grid size, totaling 72 hard puzzles 60 extra logic puzzles I guarantee that every logic puzzle in this Killer 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. Killer Sudoku is also known as Sums Sudoku, Sumdoku, Sum Doku, Addoku, Killer Su Doku, Samunamupure, Kikagaku Nampure, Samu Nanpure, Sums Number Place.

Download or read book Binary Puzzles Mixed Grids Medium Volume 3 276 Puzzles written by Nick Snels and published by PuzzleBooks.net. This book was released on 2014-10-18 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. Binary Puzzles are fun and addicting logic puzzle games. The goal seems to be very simple, fill in the grid with the numbers 0 and 1. However, do not be fooled by its simplicity, Binary Puzzles are really challenging logic puzzles and are excellent brain games. This book is ideal for you if you already know how to solve Binary Puzzles but you find our hard Binary Puzzles too difficult. You will experience Binary Puzzles with a 10x10, 12x12 and 14x14 grid size. You get the perfect mix of different sizes of Binary Puzzles 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! Binary Puzzles Mixed Grids - Medium is a collection of 276 puzzles: 72 medium Binary Puzzles 10x10 72 medium Binary Puzzles 12x12 72 medium Binary Puzzles 14x14 60 extra logic puzzles The goal of a Binary Puzzle is to fill in the grid with the numbers 0 and 1 according to the following rules: There are as many ones as zeros in every row and every column (or one more for odd sized grids). No more than two of the same number can be next to or under each other. Each row is unique, and each column is unique. I guarantee that every logic puzzle in this Binary 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. Binary Puzzles are also known as Takuzu, Tohu wa Vohu and Binero.

Download or read book Killer Sudoku Mixed Grids Easy to Hard written by Nick Snels and published by Createspace Independent Publishing Platform. This book was released on 2014-10-10 with total page 310 pages. Available in PDF, EPUB and Kindle. Book excerpt: Become a master in solving Killer Sudoku. You will experience Killer Sudoku 9x9, Killer Sudoku 10x10 and Killer Sudoku 12x12. You get the perfect mix of different sizes of Killer Sudoku to keep you entertained for weeks. After solving all the puzzles in this book, you will be a Killer Sudoku Pro. You start with easy Killer Sudoku puzzles, which keep getting bigger and bigger and you gradually build your way up to extremely hard Killer 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. Killer Sudoku Mixed Grids Large Print - Easy to Hard is a collection of 276 puzzles: 24 easy Killer Sudoku puzzles per grid size, totaling 72 easy puzzles 24 medium Killer Sudoku puzzles per grid size, totaling 72 medium puzzles 24 hard Killer Sudoku puzzles per grid size, totaling 72 hard puzzles 60 extra logic puzzles I guarantee that every logic puzzle in this Killer 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. Killer Sudoku is also known as Sums Sudoku, Sumdoku, Sum Doku, Addoku, Killer Su Doku, Samunamupure, Kikagaku Nampure, Samu Nanpure, Sums Number Place.

Download or read book Killer Sudoku Mixed Grids Deluxe Easy to Hard Volume 24 474 Puzzles written by Nick Snels and published by Createspace Independent Publishing Platform. This book was released on 2014-10-10 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Become a master in solving Killer Sudoku. You will experience Killer Sudoku 9x9, Killer Sudoku 10x10 and Killer Sudoku 12x12. You get the perfect mix of different sizes of Killer Sudoku to keep you entertained for weeks. After solving all the puzzles in this book, you will be a Killer Sudoku Pro. You start with easy Killer Sudoku puzzles, which keep getting bigger and bigger and you gradually build your way up to extremely hard Killer Sudoku puzzles. Once you pick up this book, you won't be able to put it back down. You have been warned! The goal of Killer Sudoku is to fill in the empty cells, one number in each, so that each column, row, and region contains each number exactly once. The sum of all numbers in a cage (indicated by the dashed lines) must match the small number printed in its corner. No number can be repeated within a cage. Killer Sudoku Mixed Grids Deluxe - Easy to Hard is a collection of 474 puzzles: 48 easy Killer Sudoku puzzles per grid size, totaling 144 easy puzzles 48 medium Killer Sudoku puzzles per grid size, totaling 144 medium puzzles 48 hard Killer Sudoku puzzles per grid size, totaling 144 hard puzzles 42 extra logic puzzles I guarantee that every logic puzzle in this Killer 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. Killer Sudoku is also known as Sums Sudoku, Sumdoku, Sum Doku, Addoku, Killer Su Doku, Samunamupure, Kikagaku Nampure, Samu Nanpure, Sums Number Place.

Download or read book Sudoku For Kids Mixed Grids Medium Volume 19 145 Logic Puzzles written by Nick Snels and published by PuzzleBooks.net. This book was released on 2016-09-22 with total page 99 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. Sudoku is ideal to introduce your child to inequality signs and logical thinking. Sudoku teaches your child logical thinking and deductive reasoning skills, even at a young age. Sudoku improves critical thinking and making quick decisions based upon available evidence. Sudoku is a brain game that helps to train the brain of your child. In addition, Sudoku demands attention to detail - noticing patterns, spotting opportunities, and finding the right moment to make a move. Sudoku is not only fun and interesting – it might just help prepare your kids for better success in school and in life. Only 1 large print puzzle per page, with lots of white space for scribbling. Sudoku For Kids Mixed Grids - Medium is a collection of 145 puzzle: 40 medium Sudoku 6x6 puzzle 42 medium Sudoku 8x8 puzzle 42 medium Sudoku 9x9 puzzle 21 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.

Download or read book Killer Sudoku 9x9 Easy to Hard Volume 1 270 Puzzles written by Nick Snels and published by PuzzleBooks.net. This book was released on 2014-10-04 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 Killer Sudoku 9x9. After solving all the puzzles in this book, you will be a Killer Sudoku Pro. You start with easy Killer Sudoku puzzles and you gradually build your way up to extremely hard Killer Sudoku puzzles. Killer Sudoku 9x9 - Easy to Hard is a collection of 270 puzzles: 72 easy Killer Sudoku 9x9 puzzles 72 medium Killer Sudoku 9x9 puzzles 72 hard Killer Sudoku 9x9 puzzles 54 extra logic puzzles I guarantee that every logic puzzle in this Killer 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. Killer Sudoku is also known as Sums Sudoku, Sumdoku, Sum Doku, Addoku, Killer Su Doku, Samunamupure, Kikagaku Nampure, Samu Nanpure, Sums Number Place.

Download or read book CalcuDoku Mixed Grids Medium Volume 3 276 Puzzles written by Nick Snels and published by PuzzleBooks.net. This book was released on 2014-10-11 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. CalcuDoku is a fun and addicting logic puzzle game that combines Sudoku with math. CalcuDoku is a fun way for kids and adults to practice addition, subtraction, multiplication, and division facts. This book is ideal for you if you already know how to solve CalcuDoku puzzles but you find our hard CalcuDoku puzzles too difficult. You will experience CalcuDoku 7x7, CalcuDoku 8x8 and CalcuDoku 9x9. You get the perfect mix of different sizes of CalcuDoku 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! CalcuDoku Mixed Grids - Medium is a collection of 276 puzzles: 72 medium CalcuDoku 7x7 puzzles 72 medium CalcuDoku 8x8 puzzles 72 medium CalcuDoku 9x9 puzzles 60 extra logic puzzles I guarantee that every logic puzzle in this CalcuDoku 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. CalcuDoku is also known as Square Wisdom, CanCan, MinuPlu, Mathdoku and Calcu-Doku.

Download or read book Killer Sudoku Mixed Grids Hard written by Nick Snels and published by Createspace Independent Publishing Platform. This book was released on 2014-10-10 with total page 180 pages. Available in PDF, EPUB and Kindle. Book excerpt: Killer Sudoku is a fun and addicting logic puzzle game that combines Sudoku with an addition math game. Killer Sudoku is a fun way for kids and adults to practice addition facts. This book is ideal for you if you love to solve difficult Killer Sudoku puzzles no matter their size. You do not need to wade through tons of easy Killer Sudoku puzzles before getting to the real brain teasers. You will experience extremely hard Killer Sudoku 9x9, Killer Sudoku 10x10 and Killer Sudoku 12x12. You get the perfect mix of different sizes of Killer 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! Killer Sudoku Mixed Grids - Hard is a collection of 276 puzzles: 72 hard Killer Sudoku 9x9 puzzles 72 hard Killer Sudoku 10x10 puzzles 72 hard Killer Sudoku 12x12 puzzles 60 extra logic puzzles I guarantee that every logic puzzle in this Killer 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. Killer Sudoku is also known as Sums Sudoku, Sumdoku, Sum Doku, Addoku, Killer Su Doku, Samunamupure, Kikagaku Nampure, Samu Nanpure, Sums Number Place.

Download or read book Numbricks Mixed Grids Large Print Medium Volume 9 276 Logic Puzzles written by Nick Snels and published by PuzzleBooks.net. This book was released on 2014-12-20 with total page 310 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. Numbricks is a fun and addicting logic puzzle game. It is very similar to Hidoku. The goal of Numbricks is to fill in the missing numbers, in sequential order, going horizontally and vertically only. Unlike Hidoku, diagonal paths are not allowed. This book is ideal for you if you already know how to solve Numbricks puzzles but you find our hard Numbricks puzzles too difficult. You will experience Numbricks 13x13, Numbricks 14x14 and Numbricks 15x15. You get the perfect mix of different sizes of Numbricks 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. Numbricks Mixed Grids Large Print - Medium is a collection of 276 puzzles: 72 medium Numbricks 10x10 puzzles 72 medium Numbricks 13x13 puzzles 72 medium Numbricks 15x15 puzzles 60 extra logic puzzles The goal of Numbricks is to fill in the missing numbers, in sequential order, going horizontally and vertically only. Diagonal paths are not allowed. I guarantee that every logic puzzle in this Numbricks 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 Nurikabe Mixed Grids Medium Volume 3 276 Logic Puzzles written by Nick Snels and published by PuzzleBooks.net. This book was released on 2015-03-31 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. Nurikabe is a fun and addicting binary determination puzzle. This book is ideal if you know how to play Nurikabe no matter their size, but you find our hard Nurikabe puzzles too difficult. You get the perfect mix of different sizes of Nurikabe 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! Nurikabe Mixed Grids - Medium is a collection of 276 puzzles: 72 medium Nurikabe 10x10 puzzles 72 medium Nurikabe 12x12 puzzles 72 medium Nurikabe 14x14 puzzles 60 extra logic puzzles I guarantee that every logic puzzle in this Nurikabe 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. Nurikabe is also known as Cell Structure, Islands in the Stream.

Download or read book Killer Sudoku Mixed Grids Easy written by Nick Snels and published by Createspace Independent Publishing Platform. This book was released on 2014-10-10 with total page 180 pages. Available in PDF, EPUB and Kindle. Book excerpt: Killer Sudoku is a fun and addicting logic puzzle game that combines Sudoku with an addition math game. Killer Sudoku is a fun way for kids and adults to practice addition facts. This book is ideal for beginners to learn how to solve different sizes of Killer Sudoku. You will experience Killer Sudoku 9x9, Killer Sudoku 10x10 and Killer Sudoku 12x12. You get the perfect mix of different sizes of Killer 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! The goal of Killer Sudoku is to fill in the empty cells, one number in each, so that each column, row, and region contains each number exactly once. The sum of all numbers in a cage (indicated by the dashed lines) must match the small number printed in its corner. No number can be repeated within a cage. Killer Sudoku Mixed Grids - Easy is a collection of 276 puzzles: 72 easy Killer Sudoku 9x9 puzzles 72 easy Killer Sudoku 10x10 puzzles 72 easy Killer Sudoku 12x12 puzzles 60 extra logic puzzles I guarantee that every logic puzzle in this Killer 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. Killer Sudoku is also known as Sums Sudoku, Sumdoku, Sum Doku, Addoku, Killer Su Doku, Samunamupure, Kikagaku Nampure, Samu Nanpure, Sums Number Place.

Download or read book Killer Sudoku 9x9 Easy Volume 2 270 Puzzles written by Nick Snels and published by PuzzleBooks.net. This book was released on 2014-10-04 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. Killer Sudoku is a fun and addicting logic puzzle game that combines Sudoku with an addition math game. Killer Sudoku is a fun way for kids and adults to practice addition facts. Once you pick up this book, you won't be able to put it back down. You have been warned! The goal of Killer Sudoku is to fill in the empty cells, one number in each, so that each column, row, and region contains each number exactly once. The sum of all numbers in a cage (indicated by the dashed lines) must match the small number printed in its corner. No number can be repeated within a cage. Killer Sudoku 9x9 - Easy is a collection of 270 puzzles: 216 easy Killer Sudoku 9x9 puzzles 54 extra logic puzzles I guarantee that every logic puzzle in this Killer 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. Killer Sudoku is also known as Sums Sudoku, Sumdoku, Sum Doku, Addoku, Killer Su Doku, Samunamupure, Kikagaku Nampure, Samu Nanpure, Sums Number Place.

Download or read book Futoshiki Mixed Grids Medium Volume 3 276 Puzzles written by Nick Snels and published by PuzzleBooks.net. This book was released on 2014-10-17 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. Futoshiki is a fun and addicting logic puzzle game that combines Sudoku with inequality constraints. This book is ideal for you if you already know how to solve Futoshiki puzzles but you find our hard Futoshiki puzzles too difficult. You will experience Futoshiki 7x7, Futoshiki 8x8 and Futoshiki 9x9. You get the perfect mix of different sizes of Futoshiki 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! Futoshiki Mixed Grids - Medium is a collection of 276 puzzles: 72 medium Futoshiki 7x7 puzzles 72 medium Futoshiki 8x8 puzzles 72 medium Futoshiki 9x9 puzzles 60 extra logic puzzles The goal of Futoshiki is to place one number in each empty cell, so that each column and row contains each number exactly once. Some numbers may be given at the start. In addition, inequality constraints are specified between some of the squares, such that the number must be higher or lower than its neighbor. These constraints must be honored as the grid is filled out. I guarantee that every logic puzzle in this Futoshiki 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. Futoshiki is also known as Hutoshiki and Unequal.

Download or read book Shikaku Mixed Grids Medium Volume 3 159 Logic Puzzles written by Nick Snels and published by PuzzleBooks.net. This book was released on 2015-02-21 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. Shikaku is a fun and addicting logic puzzle game. This book is ideal if you know how to play Shikaku no matter their size, but you find our hard Shikaku puzzles too difficult. You get the perfect mix of different sizes of Shikaku 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! Shikaku Mixed Grids - Medium is a collection of 159 puzzles: 40 medium Shikaku 21x21 puzzles 40 medium Shikaku 26x26 puzzles 40 medium Shikaku 30x30 puzzles 39 extra logic puzzles The goal of Shikaku is to divide the grid into rectangular and square pieces such that each piece contains exactly one number, and that number represents the area of the rectangle. I guarantee that every logic puzzle in this Shikaku 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. Shikaku is also known as Divide by Squares, Divide by Box, Number Area.

Download or read book Numbricks Mixed Grids Medium Volume 3 276 Puzzles written by Nick Snels and published by PuzzleBooks.net. This book was released on 2014-10-17 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. Numbricks is a fun and addicting logic puzzle game. It is very similar to Hidoku. The goal of Numbricks is to fill in the missing numbers, in sequential order, going horizontally and vertically only. Unlike Hidoku, diagonal paths are not allowed. This book is ideal for you if you already know how to solve Numbricks puzzles but you find our hard Numbricks puzzles too difficult. You will experience Numbricks 13x13, Numbricks 14x14 and Numbricks 15x15. You get the perfect mix of different sizes of Numbricks 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! Numbricks Mixed Grids - Medium is a collection of 276 puzzles: 72 medium Numbricks 13x13 puzzles 72 medium Numbricks 14x14 puzzles 72 medium Numbricks 15x15 puzzles 60 extra logic puzzles I guarantee that every logic puzzle in this Numbricks 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 Killer Sudoku 9x9 Large Print Hard Volume 27 270 Logic Puzzles written by Nick Snels and published by PuzzleBooks.net. This book was released on 2014-12-20 with total page 310 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. Killer Sudoku is a fun and addicting logic puzzle game that combines Sudoku with an addition math game. Killer Sudoku is a fun way for kids and adults to practice addition facts. In this book, you do not need to wade through tons of easy Killer Sudoku puzzles before getting to the real brain teasers. Once you pick up this book, you won't be able to put it back down. You have been warned! Only 1 Killer Sudoku puzzle per page, with lots of white space for scribbling. Killer Sudoku 9x9 Large Print - Hard is a collection of 270 puzzles: 216 hard Killer Sudoku 9x9 puzzles 54 extra logic puzzles The goal of Killer Sudoku is to fill in the empty cells, one number in each, so that each column, row, and region contains each number exactly once. The sum of all numbers in a cage (indicated by the dashed lines) must match the small number printed in its corner. No number can be repeated within a cage. I guarantee that every logic puzzle in this Killer 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. Killer Sudoku is also known as Sums Sudoku, Sumdoku, Sum Doku, Addoku, Killer Su Doku, Samunamupure, Kikagaku Nampure, Samu Nanpure, Sums Number Place.