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Book Sudoku Puzzle  Volume 1

Download or read book Sudoku Puzzle Volume 1 written by YobiTech Consulting and published by YobiTech Consulting. This book was released on 2010-12 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Sudoku Puzzle Volume 1 EBook contains total of 228 puzzles organized at 5 different difficulty levels (1-5) with all of their solutions. The instruction to play both in English and Spanish. Each individual puzzle has a single unique solution based on logical strategies and no "guessing" or "Trial & Error" are required. Please note that this is a DRM FREE EPUB format EBook and you should be able to print your puzzles or solve them on any device that allows drawing or typing text over an image (EXAMPLE: Paint Application with the *.JPEG, *.GIF, *.PNG image) and it is not an interactive game.

Book J A  Jance s Ali Reynolds Mysteries 3 Book Boxed Set  Volume 1

Download or read book J A Jance s Ali Reynolds Mysteries 3 Book Boxed Set Volume 1 written by J.A. JANCE and published by Simon and Schuster. This book was released on 2012-10-01 with total page 1055 pages. Available in PDF, EPUB and Kindle. Book excerpt: A Simon & Schuster eBook. Simon & Schuster has a great book for every reader.

Book King Sized Kakuro Mixed Grids   Volume 1   153 Puzzles

Download or read book King Sized Kakuro Mixed Grids Volume 1 153 Puzzles written by Nick Snels and published by PuzzleBooks.net. This book was released on 2014-10-12 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. King-Sized Kakuro bundles the biggest and baddest Kakuro puzzles ever. Your brain will work overtime on these colossal logic math puzzles. Kakuro 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! Only 1 Kakuro puzzle per page, with lots of white space for scribbling. King-Sized Kakuro Mixed Grids is a collection of 153 puzzles: 30 Kakuro 19x19 puzzles 30 Kakuro 20x20 puzzles 30 Kakuro 21x21 puzzles 30 Kakuro 22x22 puzzles 33 extra logic puzzles The goal of Kakuro is to insert numbers into the white cells. Possible numbers are always 1 to 9. The sum of each horizontal block must equal the clue on its left. The sum of each vertical block must equal the clue above it. You can only use a number once in each horizontal or vertical block. I guarantee that every logic puzzle in this Kakuro 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. Kakuro is also known as Cross Sums, Kakro, Kakkuro and Cross Addition. Kakuro is also quite often misspelled as Kakura.

Book Binary Puzzles Mixed Grids   Easy to Hard   Volume 1   276 Puzzles

Download or read book Binary Puzzles Mixed Grids Easy to Hard Volume 1 276 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. Become a master in solving Binary Puzzles. 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. After solving all the puzzles in this book, you will be a Binary Puzzles Pro. You start with easy Binary Puzzles, which keep getting bigger and bigger and you gradually build your way up to extremely hard Binary Puzzles. Once you pick up this book, you won't be able to put it back down. You have been warned! Binary Puzzles Mixed Grids - Easy to Hard is a collection of 276 puzzles: 24 easy Binary Puzzles per grid size, totaling 72 easy puzzles 24 medium Binary Puzzles per grid size, totaling 72 medium puzzles 24 hard Binary Puzzles per grid size, totaling 72 hard puzzles 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.

Book Nurikabe Mixed Grids   Easy to Hard   Volume 1   276 Puzzles

Download or read book Nurikabe Mixed Grids Easy to Hard Volume 1 276 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. Become a master in solving Nurikabe. You will experience Nurikabe 10x10, Nurikabe 12x12 and Nurikabe 14x14. You get the perfect mix of different sizes of Nurikabe to keep you entertained for weeks. After solving all the puzzles in this book, you will be a Nurikabe Pro. You start with easy Nurikabe puzzles, which keep getting bigger and bigger and you gradually build your way up to extremely hard Nurikabe puzzles. Once you pick up this book, you won't be able to put it back down. You have been warned! Nurikabe Mixed Grids - Easy to Hard is a collection of 276 puzzles: 24 easy Nurikabe puzzles per grid size, totaling 72 easy puzzles 24 medium Nurikabe puzzles per grid size, totaling 72 medium puzzles 24 hard Nurikabe puzzles per grid size, totaling 72 hard puzzles 60 extra logic puzzles The goal of Nurikabe is to determine whether each of the cells of the grid is “black” or “white” according to the following rules: All of the black cells must be connected. Each numbered cell must be part of a white island of connected white cells. Each island must have the same number of white cells as the number it contains. Two islands may not be connected horizontally or vertically. There cannot be any 2 x 2 blocks of black cells. I guarantee that every logic puzzle in this Nurikabe puzzle book has been carefully checked to ensure that each puzzle has only 1 solution. Nurikabe is also known as Cell Structure and Islands in the Stream.

Book Slitherlink Mixed Grids   Easy to Hard   Volume 1   276 Puzzles

Download or read book Slitherlink Mixed Grids Easy to Hard Volume 1 276 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. Become a master in solving Slitherlink. You will experience Slitherlink 15x15, Slitherlink 20x20 and Slitherlink 25x25. You get the perfect mix of different sizes of Slitherlink to keep you entertained for weeks. After solving all the puzzles in this book, you will be a Slitherlink Pro. You start with easy Slitherlink puzzles, which keep getting bigger and bigger and you gradually build your way up to extremely hard Slitherlink puzzles. Once you pick up this book, you won't be able to put it back down. You have been warned! Slitherlink Mixed Grids - Easy to Hard is a collection of 276 puzzles: 24 easy Slitherlink puzzles per grid size, totaling 72 easy puzzles 24 medium Slitherlink puzzles per grid size, totaling 72 medium puzzles 24 hard Slitherlink puzzles per grid size, totaling 72 hard puzzles 60 extra logic puzzles The goal of Slitherlink is to connect horizontally and vertically adjacent dots so that the lines form one single loop with no loose ends. In addition, the number inside a square represents how many of its four sides are segments in the loop. Dotted squares without a number can have any number of loop sides. I guarantee that every logic puzzle in this Slitherlink 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. Slitherlink is also known as Fences, Loop the Loop, Dotty Dilemma, Sli-Lin, Great Wall of China, Takegaki, Loopy, Ouroboros, Suriza and Slither Link.

Book Numbricks Mixed Grids   Easy to Hard   Volume 1   276 Puzzles

Download or read book Numbricks Mixed Grids Easy to Hard Volume 1 276 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. Become a master in solving Numbricks. You will experience Numbricks 10x10, Numbricks 13x13 and Numbricks 15x15. You get the perfect mix of different sizes of Numbricks to keep you entertained for weeks. After solving all the puzzles in this book, you will be a Numbricks Pro. You start with easy Numbricks puzzles, which keep getting bigger and bigger and you gradually build your way up to extremely hard Numbricks puzzles. Once you pick up this book, you won't be able to put it back down. You have been warned! Numbricks Mixed Grids - Easy to Hard is a collection of 276 puzzles: 24 easy Numbricks puzzles per grid size, totaling 72 easy puzzles 24 medium Numbricks puzzles per grid size, totaling 72 medium puzzles 24 hard Numbricks puzzles per grid size, totaling 72 hard 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.

Book Futoshiki Mixed Grids   Easy to Hard   Volume 1   276 Puzzles

Download or read book Futoshiki Mixed Grids Easy to Hard Volume 1 276 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. Become a master in solving Futoshiki. 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. After solving all the puzzles in this book, you will be a Futoshiki Pro. You start with easy Futoshiki puzzles, which keep getting bigger and bigger and you gradually build your way up to extremely hard Futoshiki puzzles. Once you pick up this book, you won't be able to put it back down. You have been warned! Futoshiki Mixed Grids - Easy to Hard is a collection of 276 puzzles: 24 easy Futoshiki puzzles per grid size, totaling 72 easy puzzles 24 medium Futoshiki puzzles per grid size, totaling 72 medium puzzles 24 hard Futoshiki puzzles per grid size, totaling 72 hard 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.

Book Minesweeper Mixed Grids   Easy to Hard   Volume 1   156 Puzzles

Download or read book Minesweeper Mixed Grids Easy to Hard Volume 1 156 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 Minesweeper. You will experience Minesweeper 20x20, Minesweeper 25x25 and Minesweeper 30x30. You get the perfect mix of different sizes of Minesweeper to keep you entertained for weeks. After solving all the puzzles in this book, you will be a Minesweeper Pro. You start with easy Minesweeper puzzles, which keep getting bigger and bigger and you gradually build your way up to extremely difficult and colossal Minesweeper 30x30 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. Minesweeper Mixed Grids - Easy to Hard is a collection of 156 puzzles: 14 easy Minesweeper puzzles per grid size, totaling 42 easy puzzles 14 medium Minesweeper puzzles per grid size, totaling 42 medium puzzles 14 hard Minesweeper puzzles per grid size, totaling 42 hard puzzles 30 extra logic puzzles The task of Minesweeper is to place mines into empty cells in the grid. The numbers in the grid represent the number of mines in the neighboring cells, including diagonal ones. I guarantee that every logic puzzle in this Minesweeper 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.

Book CalcuDoku For Kids Mixed Grids   Easy to Hard   Volume 1   145 Puzzles

Download or read book CalcuDoku For Kids Mixed Grids Easy to Hard Volume 1 145 Puzzles written by Nick Snels and published by PuzzleBooks.net. This book was released on 2014-11-14 with total page 98 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 practice addition, subtraction, multiplication, and division facts. CalcuDoku teaches your child math, logical thinking and deductive reasoning skills, even at a young age. CalcuDoku improves critical thinking and making quick decisions based upon available evidence. CalcuDoku is a brain game that helps to train the brain of your child. In addition, CalcuDoku demands attention to detail - noticing patterns, spotting opportunities, and finding the right moment to make a move. CalcuDoku is not only fun and interesting – it might just help prepare your kids for better success in school and in life. CalcuDoku For Kids Mixed Grids - Easy to Hard is a collection of 145 puzzles: 44 easy CalcuDoku puzzles, going from 4x4 to 9x9 40 medium CalcuDoku puzzles, going from 4x4 to 9x9 40 hard CalcuDoku puzzles, going from 4x4 to 9x9 21 extra logic puzzles The goal of CalcuDoku is to fill the grid in with the numbers 1-N (N is the number of rows/columns in the grid) such that: Each row contains exactly one of each number. Each column contains exactly one of each number. Each bold-outlined group of cells (cages) contains numbers which achieve the specified result using the specified mathematical operation (+, -, ×, ÷). Sometimes the sign +, -, × or ÷ is omitted, in which case you also need to find the correct sign. Numbers may repeat within a cage. 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 CalcuDoku book has been carefully checked to ensure that each puzzle has only 1 solution. CalcuDoku is also known as Square Wisdom, CanCan, MinuPlu, Mathdoku and Calcu-Doku.

Book Futoshiki For Kids Mixed Grids   Easy to Hard   Volume 1   145 Puzzles

Download or read book Futoshiki For Kids Mixed Grids Easy to Hard Volume 1 145 Puzzles written by Nick Snels and published by PuzzleBooks.net. This book was released on 2014-11-14 with total page 98 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. Futoshiki is ideal to introduce your child to inequality signs and logical thinking. Futoshiki teaches your child logical thinking and deductive reasoning skills, even at a young age. Futoshiki improves critical thinking and making quick decisions based upon available evidence. Futoshiki is a brain game that helps to train the brain of your child. In addition, Futoshiki demands attention to detail - noticing patterns, spotting opportunities, and finding the right moment to make a move. Futoshiki is not only fun and interesting – it might just help prepare your kids for better success in school and in life. Futoshiki For Kids Mixed Grids - Easy to Hard is a collection of 145 puzzles: 44 easy Futoshiki puzzles, going from 4x4 to 9x9 40 medium Futoshiki puzzles, going from 4x4 to 9x9 40 hard Futoshiki puzzles, going from 4x4 to 9x9 21 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 book has been carefully checked to ensure that each puzzle has only 1 solution. Futoshiki is also known as Hutoshiki and Unequal.

Book Huge Hashi Mixed Grids   Volume 1   159 Puzzles

Download or read book Huge Hashi Mixed Grids Volume 1 159 Puzzles written by Nick Snels and published by PuzzleBooks.net. This book was released on 2014-10-12 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. Huge Hashi bundles the biggest and baddest Hashi puzzles ever. Your brain will do over hours on these colossal logic puzzles. The goal of Hashi is to connect all of the encircled numbers (islands) into one single connected group by drawing lines (bridges) between the islands. Once you pick up this book, you won't be able to put it back down. You have been warned! Only 1 Hashi puzzle per page, with lots of white space for scribbling. Huge Hashi Mixed Grids is a collection of 159 puzzles: 30 Hashi 27x27 puzzles 30 Hashi 28x28 puzzles 30 Hashi 29x29 puzzles 30 Hashi 30x30 puzzles 39 extra logic puzzles I guarantee that every logic puzzle in this Hashi 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. Hashi is also known as Hashiwokakero, Bridges, Chopsticks and Ai-Ki-Ai.

Book Solitaire Dominoes Mixed Grids   Volume 1   276 Puzzles

Download or read book Solitaire Dominoes Mixed Grids 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 Solitaire Dominoes. You will experience Solitaire Dominoes 9x10, Solitaire Dominoes 10x9, Solitaire Dominoes 10x11 and Solitaire Dominoes 11x10. You get the perfect mix of different sizes of Solitaire Dominoes to keep you entertained for weeks. After solving all the puzzles in this book, you will be a Solitaire Dominoes Pro. You start with small Solitaire Dominoes puzzles, which keep getting bigger and bigger. Once you pick up this book, you won't be able to put it back down. You have been warned! Solitaire Dominoes Mixed Grids is a collection of 276 puzzles: 54 Solitaire Dominoes 9x10 puzzles 54 Solitaire Dominoes 10x9 puzzles 54 Solitaire Dominoes 10x11 puzzles 54 Solitaire Dominoes 11x10 puzzles 60 extra logic puzzles On the board the domino numbers are shown, but the borders between dominoes are missing. The task is to restore borders between domino tiles. A domino is a pair of numbers. You can have only one of each pair. I guarantee that every logic puzzle in this Solitaire Dominoes 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. Solitaire Dominoes is also known as Dominosa, Dominosa Omnibus, Solitaire Dominoes and Domino Hunt.

Book Tridoku   Easy to Extreme   Volume 1   276 Puzzles

Download or read book Tridoku 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 Tridoku. After solving all the puzzles in this book, you will be a Wordoku Pro. You start with easy Wordoku puzzles and you gradually build your way up to extremely difficult Wordoku puzzles. Once you pick up this book, you won't be able to put it back down. You have been warned! Tridoku - Easy to Extreme is a collection of 276 puzzles: 54 easy Tridoku puzzles 54 medium Tridoku puzzles 54 hard Tridoku puzzles 54 extreme Tridoku puzzles 60 extra logic puzzles Tridoku consists of nine large triangles. The numbers 1-9 must be placed into the triangular cells of each large triangle. The numbers 1-9 must also be placed in the three legs of the inner shaded triangle and in the three legs of the outer shaded triangle. No two neighboring cells may contain the same number. I guarantee that every logic puzzle in this Tridoku 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. Tridoku is also known as Triangular Sudoku.

Book Battleship Solitaire 14x14   Volume 1   276 Logic Puzzles

Download or read book Battleship Solitaire 14x14 Volume 1 276 Logic Puzzles written by Nick Snels and published by PuzzleBooks.net. This book was released on 2015-01-18 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. Battleship Solitaire is a fun and addicting logic puzzle based on the Battleships guessing game. Become a master in solving Battleship Solitaire After solving all the puzzles in this book, you will be a Battleship Solitaire Pro. Once you pick up this book, you won't be able to put it back down. You have been warned! Battleship Solitaire 14x14 is a collection of 276 puzzles: 216 Battleship Solitaire 14x14 puzzles 60 extra logic puzzles The goal of Battleship Solitaire is to discover where all battleships are located. There can be battleships of 4 squares, cruisers of 3 squares, destroyers of 2 squares, and submarines of 1 square. Some squares may contain given ship or water segments as hints to help start the puzzle. I guarantee that every logic puzzle in this Battleship Solitaire 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. Battleship Solitaire is also known as Battleships and Solitaire Battleships.

Book Shikaku Mixed Grids   Easy to Hard   Volume 1   156 Puzzles

Download or read book Shikaku Mixed Grids Easy to Hard Volume 1 156 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. Become a master in solving Shikaku. You will experience Shikaku 21x21, Shikaku 26x26 and Shikaku 30x30. You get the perfect mix of different sizes of Shikaku to keep you entertained for weeks. After solving all the puzzles in this book, you will be a Shikaku Pro. You start with easy Shikaku puzzles, which keep getting bigger and bigger and you gradually build your way up to extremely hard Shikaku 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. Shikaku Mixed Grids - Easy to Hard is a collection of 156 puzzles: 14 easy Shikaku puzzles per grid size, totaling 42 easy puzzles 14 medium Shikaku puzzles per grid size, totaling 42 medium puzzles 14 hard Shikaku puzzles per grid size, totaling 42 hard puzzles 30 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. Shikaku is also known as Divide by Squares, Divide by Box, Number Area.

Book CalcuDoku Mixed Grids   Easy to Hard   Volume 1   276 Puzzles

Download or read book CalcuDoku Mixed Grids Easy to Hard Volume 1 276 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. Become a master in solving CalcuDoku. 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. After solving all the puzzles in this book, you will be a CalcuDoku Pro. You start with easy CalcuDoku puzzles, which keep getting bigger and bigger and you gradually build your way up to extremely hard CalcuDoku puzzles. Once you pick up this book, you won't be able to put it back down. You have been warned! CalcuDoku Mixed Grids - Easy to Hard is a collection of 276 puzzles: 24 easy CalcuDoku puzzles per grid size, totaling 72 easy puzzles 24 medium CalcuDoku puzzles per grid size, totaling 72 medium puzzles 24 hard CalcuDoku puzzles per grid size, totaling 72 hard 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.