EBookClubs

Read Books & Download eBooks Full Online

EBookClubs

Read Books & Download eBooks Full Online

Book Killer Sudoku 12x12   Hard

Download or read book Killer Sudoku 12x12 Hard written by Nick Snels and published by Createspace Independent Publishing Platform. This book was released on 2014-10-09 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. In this book, you do not need to wade through tons of easy Killer Sudoku 12x12 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! Killer Sudoku 12x12 - Hard is a collection of 276 puzzles: 216 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.

Book Killer Sudoku 12x12   Easy to Hard

Download or read book Killer Sudoku 12x12 Easy to Hard written by Nick Snels and published by Createspace Independent Publishing Platform. This book was released on 2014-10-09 with total page 180 pages. Available in PDF, EPUB and Kindle. Book excerpt: Become a master in solving Killer Sudoku 12x12. 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. 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 12x12 - Easy to Hard is a collection of 276 puzzles: 72 easy Killer Sudoku 12x12 puzzles 72 medium Killer Sudoku 12x12 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.

Book Killer Sudoku 12x12   Medium

Download or read book Killer Sudoku 12x12 Medium written by Nick Snels and published by Createspace Independent Publishing Platform. This book was released on 2014-10-09 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 if you already know how to solve Killer Sudoku 12x12 puzzles but find our hard Killer Sudoku puzzles too difficult. 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 numbe 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 12x12 - Medium is a collection of 276 puzzles: 216 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.

Book Killer Sudoku 12x12 Large Print   Easy to Hard   Volume 17   276 Puzzles

Download or read book Killer Sudoku 12x12 Large Print Easy to Hard Volume 17 276 Puzzles written by Nick Snels and published by Createspace Independent Publishing Platform. This book was released on 2014-10-09 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Become a master in solving Killer Sudoku 12x12. 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. Only 1 large print puzzle per page, with lots of white space for scribbling. Killer Sudoku 12x12 Large Print - Easy to Hard is a collection of 276 puzzles: 72 easy Killer Sudoku 12x12 puzzles 72 medium Killer Sudoku 12x12 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.

Book 1 000   Collection Killer Sudoku 12x12

Download or read book 1 000 Collection Killer Sudoku 12x12 written by Basford Holmes and published by . This book was released on 2019-08-29 with total page 254 pages. Available in PDF, EPUB and Kindle. Book excerpt: Positive style. Suitable for adults. 6 puzzles per page. 500 killer sudoku puzzles medium levels. 502 killer sudoku puzzles hard levels. Thick paper. Glossy cover. Killer sudoku may be called or searched with the following phrases or names: greater than killer sudoku, sudoku grid, times sudoku, sudoku medium, sudoku hard, difficult sudoku, sudoku of the day, sudoku hints, sum sudoku puzzles, sudoku hard, jigsaw sudoku puzzles, la times sudoku, sudoku x, puzzle killer, krazydad sudoku, sudoku net, sudoku medium, killer sudoku solver, sudoku mania, fiendish sudoku, daily killer sudoku main past puzzles, times puzzles killer, sudoku uk, dkm sudoku, usa today sudoku, play sudoku game, the daily sudoku, sudoku billions, sudoku x wing, lovatts sudoku, sudoku k, sudoku name, how to solve sumoku puzzles, guardian sudoku, guardian killer sudoku, telegraph killer sudoku, sudoku cage, sudoku sudoku, times ultimate killer sudoku, killer sudoku solutions, telegraph sudoku, daily sudoku puzzle, the sudoku killer, zero killer sudoku, sudoku quest, hard killer sudoku, medium killer sudoku, sum doku, simple sudoku puzzle, krazydad killer sudoku, sudoku puzzle game, sudukus, killer su, play soduko, killer sudoku tips, super sudoku puzzles, sudoku game rules, sudoku ki, medium sudoku puzzles, hard sudoku puzzles, sudoku game books, greater than sudoku, mini killer sudoku, sum sudoku solver, the big book of killer su doku, play sudoku puzzles, sudoku for children, dailykillersudoku, sumoku puzzle book, daily killer, how to solve killer sudoku, how to play killer sudoku, sudoku sudoku sudoku, how to do killer sudoku, sudoku game medium, sudoku game hard, krazydad killer, sodoku knacker, multi sudoku puzzles, mega sudoku puzzles, sudoku puzzle maker. I hope you enjoy these puzzles. Best regards, Basford Holmes

Book 1 000   Collection Sudoku Killer 12x12

Download or read book 1 000 Collection Sudoku Killer 12x12 written by Basford Holmes and published by . This book was released on 2019-08-30 with total page 254 pages. Available in PDF, EPUB and Kindle. Book excerpt: Positive style. Suitable for adults. 6 puzzles per page. 500 sudoku killer puzzles hard levels. 502 sudoku killer puzzles extreme levels. Thick paper. Glossy cover. Killer sudoku may be called or searched with the following phrases or names: sudoku, sum sudoku, killer sudoku books, times killer sudoku, sumdoku, sudoku books, extreme killer sudoku, hard killer sudoku, times killer sudoku books, killer sudoku puzzles, puzzle, the times killer sudoku books, times ultimate killer sudoku books, sudoku 9x9, killer sudoku puzzle books, killer puzzle, sumoku sudoku, sudoku puzzels, sudoku game, sudoku puzzle books, daily killer sudoku, daily sudoku killer, sudoku puzzles, sudoku for kids, extreme sudoku puzzles, hard sudoku puzzles, times killer sudoku solutions, super sudoku, daily sudoku, game sudoku, sudoku tips, sudokus, how do you play sudoku, play sudoku, sudoku solver, how to do sudoku, the times ultimate killer sudoku, play killer sudoku, sudoku answers, ultimate killer sudoku, how to play sudoku, sudoku rules, sudoku challenge, how to solve sudoku, sudoku puzzle solver, su doku, jigsaw sudoku, sudoku solution, sudoku extreme, sudoku expert, simple sudoku, sudoku solutions, sumoku puzzles, sudoku puzzles hard, sudoku addition, sudoku board game, greater than killer sudoku, sudoku grid, times sudoku, sudoku very hard, difficult sudoku, sudoku of the day, sudoku hints, sum sudoku puzzles, sudoku hard, jigsaw sudoku puzzles, la times sudoku, sudoku x, puzzle killer, krazydad sudoku, sudoku net, killer sudoku solver, sudoku mania. I hope you enjoy these puzzles. Best regards, Basford Holmes

Book Killer Sudoku 9x9   Easy to Hard   Volume 1   270 Puzzles

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.

Book 1 000   Collection Sudoku Killer 12x12

Download or read book 1 000 Collection Sudoku Killer 12x12 written by Basford Holmes and published by . This book was released on 2019-08-28 with total page 254 pages. Available in PDF, EPUB and Kindle. Book excerpt: Positive style. Suitable for adults. 6 puzzles per page. 250 sudoku killer puzzles 12x12 easy levels. 250 sudoku killer puzzles 12x12 medium levels. 250 sudoku killer puzzles 12x12 hard levels. 252 sudoku killer puzzles 12x12 extreme levels. Thick paper. Glossy cover. Killer sudoku may be called or searched with the following phrases or names: sudoku, sum sudoku, killer sudoku books, times killer sudoku, sumdoku, sudoku books, hard killer sudoku, extreme killer sudoku, easy killer sudoku, medium killer sudoku, times killer sudoku books, killer sudoku puzzles, puzzle, the times killer sudoku books, times ultimate killer sudoku books, sudoku 9x9, killer sudoku puzzle books, killer puzzle, sumoku sudoku, sudoku puzzels, sudoku game, sudoku puzzle books, daily killer sudoku, daily sudoku killer, sudoku puzzles, sudoku for kids, easy sudoku puzzles, times killer sudoku solutions, super sudoku, daily sudoku, game sudoku, sudoku tips, sudokus, how do you play sudoku, play sudoku, sudoku solver, how to do sudoku, the times ultimate killer sudoku, play killer sudoku, sudoku answers, ultimate killer sudoku, how to play sudoku, sudoku rules, sudoku challenge, how to solve sudoku, sudoku puzzle solver, su doku, jigsaw sudoku, sudoku solution, sudoku easy, simple sudoku, sudoku solutions, sumoku puzzles, sudoku addition, sudoku board game, greater than killer sudoku, sudoku grid, times sudoku, sudoku easy hard, difficult sudoku, sudoku of the day, sudoku hints, sum sudoku puzzles, sudoku hard, jigsaw sudoku puzzles, la times sudoku, sudoku x, puzzle killer, krazydad sudoku, sudoku net, sudoku medium, killer sudoku solver, sudoku mania, fiendish sudoku, daily killer sudoku main past puzzles, times puzzles killer, sudoku uk, dkm sudoku, usa today sudoku, play sudoku game. I hope you enjoy these puzzles. Best regards, Basford Holmes

Book 1 000   Collection Sudoku Killer 12x12

Download or read book 1 000 Collection Sudoku Killer 12x12 written by Basford Holmes and published by . This book was released on 2019-09-04 with total page 256 pages. Available in PDF, EPUB and Kindle. Book excerpt: Positive style. Suitable for adults. 6 puzzles per page. 1002 hard. Thick paper. Glossy cover. Killer sudoku may be called or searched with the following phrases or names: sudoku, sum sudoku, killer sudoku books, times killer sudoku, sumdoku, sudoku books, hard killer sudoku, times killer sudoku books, killer sudoku puzzles, puzzle, the times killer sudoku books, times ultimate killer sudoku books, sudoku 9x9, killer sudoku puzzle books, killer puzzle, sumoku sudoku, sudoku puzzels, sudoku game, sudoku puzzle books, daily killer sudoku, daily sudoku killer, sudoku puzzles, sudoku for kids, hard sudoku puzzles, times killer sudoku solutions, super sudoku, daily sudoku, game sudoku, sudoku tips, sudokus, how do you play sudoku, play sudoku, sudoku solver, how to do sudoku, the times ultimate killer sudoku, play killer sudoku, sudoku answers, ultimate killer sudoku, how to play sudoku, sudoku rules, sudoku challenge, how to solve sudoku, sudoku puzzle solver, su doku, jigsaw sudoku, sudoku solution, sudoku hard, simple sudoku, sudoku solutions, sumoku puzzles, sudoku addition, sudoku board game, greater than killer sudoku, sudoku grid, times sudoku, sudoku very hard, difficult sudoku, sudoku of the day, sudoku hints, sum sudoku puzzles, hard sudoku, jigsaw sudoku puzzles, la times sudoku, sudoku x, puzzle killer, krazydad sudoku. I hope you enjoy these puzzles. Best regards, Basford Holmes

Book Sudoku X 12x12   Hard to Extreme   Volume 8   276 Puzzles

Download or read book Sudoku X 12x12 Hard to Extreme Volume 8 276 Puzzles written by Nick Snels and published by PuzzleBooks.net. This book was released on 2014-11-23 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 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 12x12 - Hard to Extreme is a collection of 276 puzzle: 108 hard Sudoku X 12x12 puzzle 108 extreme Sudoku X 12x12 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.

Book Killer Sudoku   200 Hard to Master Puzzles 12x12

Download or read book Killer Sudoku 200 Hard to Master Puzzles 12x12 written by Liam Parker and published by . This book was released on 2019-07-23 with total page 118 pages. Available in PDF, EPUB and Kindle. Book excerpt: Killer Sudoku is a mix of Sudoku and Kakuro. Your goal is the same as in regular sudoku: fill every row, column and 3x4 region with the numbers 1-12 once. The objective is to fill the grid with numbers from 1 to 12 in a way that the following conditions are met: Each row, column, and nonet contains each number exactly once. The sum of all numbers in a cage must match the small number printed in its corner. No number appears more than once in a cage.

Book Large Sudoku 12x12   Hard   Volume 18   276 Puzzles

Download or read book Large Sudoku 12x12 Hard Volume 18 276 Puzzles written by Nick Snels and published by PuzzleBooks.net. This book was released on 2014-09-22 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 solve difficult Sudoku puzzle. You do not need to wade through tons of easy Sudoku puzzle 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 large print puzzle per page, with lots of white space for scribbling. Large Sudoku 12x12 - Hard is a collection of 276 puzzle: 216 hard Sudoku 12x12 puzzle 60 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.

Book Killer Sudoku 9x9 Deluxe   Easy to Hard   Volume 6   462 Puzzles

Download or read book Killer Sudoku 9x9 Deluxe Easy to Hard Volume 6 462 Puzzles written by Nick Snels and published by PuzzleBooks.net. This book was released on 2014-10-08 with total page 292 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. 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 Deluxe - Easy to Hard is a collection of 462 puzzles: 136 easy Killer Sudoku 9x9 puzzles 136 medium Killer Sudoku 9x9 puzzles 136 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.

Book Killer Sudoku   200 Hard to Master Puzzles 12x12

Download or read book Killer Sudoku 200 Hard to Master Puzzles 12x12 written by David Smith and published by Killer Sudoku. This book was released on 2018-10-30 with total page 118 pages. Available in PDF, EPUB and Kindle. Book excerpt: Killer Sudoku is a mix of Sudoku and Kakuro. Your goal is the same as in regular sudoku: fill every row, column and 3x4 region with the numbers 1-12 once. The difference is how you arrive at those numbers.The objective is to fill the grid with numbers from 1 to 12 in a way that the following conditions are met: Each row, column, and nonet contains each number exactly once.The sum of all numbers in a cage must match the small number printed in its corner.No number appears more than once in a cage. (This is the standard rule for killer sudokus, and implies that no cage can include more than 12 cells.

Book 1 000   Collection Killer Sudoku 12x12

Download or read book 1 000 Collection Killer Sudoku 12x12 written by Basford Holmes and published by . This book was released on 2019-08-29 with total page 254 pages. Available in PDF, EPUB and Kindle. Book excerpt: Positive style. Suitable for adults. 6 puzzles per page. 500 sudoku killer puzzles easy levels. 502 sudoku killer puzzles medium levels. Thick paper. Glossy cover. Killer sudoku may be called or searched with the following phrases or names: guardian killer sudoku, telegraph killer sudoku, sudoku cage, sudoku sudoku, times ultimate killer sudoku, killer sudoku solutions, telegraph sudoku, daily sudoku puzzle, the sudoku killer, zero killer sudoku, sudoku quest, extreme killer sudoku, sum doku, simple sudoku puzzle, krazydad killer sudoku, sudoku puzzle game, sudukus, killer su, play soduko, killer sudoku tips, super sudoku puzzles, sudoku game rules, sudoku ki, easy sudoku puzzles, medium sudoku puzzles, sudoku game books, greater than sudoku, mini killer sudoku, sum sudoku solver, the big book of killer su doku, play sudoku puzzles, sudoku for children, dailykillersudoku, sumoku puzzle book, daily killer, how to solve killer sudoku, how to play killer sudoku, sudoku sudoku sudoku, how to do killer sudoku, sudoku game medium, sudoku game easy, krazydad killer, sodoku knacker, multi sudoku puzzles, medium sudoku, easy sudoku, mega sudoku puzzles, sudoku puzzle maker, difficult sudoku puzzles, killer sudoku brainbashers, best sudoku game, best sudoku puzzles, killersud, killer sudoku cheat sheet, sample sudoku puzzles, sudoku summer, sudoku welt, suduko for beginners, who is the killer puzzle, killer sudoku pro, big sudoku puzzles, different sudoku puzzles, the guardian killer sudoku, sudoku loeser, killer sudoku rules, sudoku tool. I hope you enjoy these puzzles. Best regards, Basford Holmes

Book   lassic 400   Killer Hard

Download or read book lassic 400 Killer Hard written by Basford Holmes and published by Killer Classic Sudoku 12x12. This book was released on 2018-10-23 with total page 106 pages. Available in PDF, EPUB and Kindle. Book excerpt: Latin square in action. Sharpen your pencils and get ready for a digital attack.400 killer sudoku puzzles 200 hard + 200 very hard levels. + 250 sudoku difficult level that can be downloaded and printed.+ 250 maze puzzles that can be downloaded and printed.Unique puzzles.Only 1 verified solution.All answers are at the end of the book.Exclusive puzzles.A great book for free time and studying the mind.I hope you enjoy the book.Best regards, Basford Holme

Book Killer Sudoku Mixed Grids   Easy to Hard

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.