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Knossos is a logic puzzle ("Knossos" is a palace on Crete; this palace is connected with ancient legends, such as the myth of the Labyrinth with the Minotaur). It is played on a rectangular grid. Some of the cells in the grid are numbered. The goal is to divide the grid into regions ("rooms") such that each region contains exactly one number, and that number represents the border's length of the rectangle.

Easy as ABC (also known as "ABC End View", "Last Man Standing") is a square grid, whose cells are to be filled by a range of letters (e.g. A through H), with each different letter occurring exactly once in each row and column, and the other cells remaining empty.The letters outside the grid show which letter will come across first from that direction. The puzzle book contain: - 200 Puzzles- Handy 6 x 9 inch Book Layout- 2 Puzzles per Page- Ideal for Beginners In the book you will find a description and examples of solutions for all puzzles.The book is for those who like logic and math problems. Decide, developing and improving.

Sudoku (also known as "Number Place") is a logic-based, combinatorial number-placement puzzle. The objective is to fill a 9x9 grid with digits so that each column, each row, and each of the nine 3x3 subgrids that compose the grid (also called "boxes", "blocks", or "regions") contains all of the digits from 1 to 9. The puzzle setter provides a partially completed grid, which for a well-posed puzzle has a single solution. Outside Sudoku is a variation of the standard sudoku. Some digits are given outside the grid. These digits must appear in the first three cells in the corresponding direction.

Shakashaka (also known as "Proof of Quilt") is a logic puzzle. The task is to place one of the four isosceles right triangles in some white cells. Each triangle must occupy exactly half of its cell, but may be in one of four orientations. Every contiguous white region must be a rectangle or a square. A number in a black cell indicates how many triangles are adjacent to that cell by sides.

Sudoku Mine combines Sudoku puzzle with Minesweeper game. The goal is to place three mines in every row, column and region. The digits in the grid represent the number of mines in the neighbouring cells.

Hashi (also known as "Hashiwokakero" from Japanese "Hashi o kakero"; literally "build bridges"; "Bridges", "Chopsticks", or "Ai-Ki-Ai") is a type of logic puzzle. It is played on a rectangular grid with no standard size, although the grid itself is not usually drawn. Some cells start out with (usually encircled) numbers from 1 to 8 inclusive; these are the islands. The rest of the cells are empty. The goal is to connect all of the islands into a single connected group by drawing a series of bridges between the islands. The bridges must follow certain criteria: They must begin and end at distinct islands, travelling a straight line in between.They must not cross any other bridges or islands.They may only run orthogonally.At most two bridges connect a pair of islands.The number of bridges connected to each island must match the number on that island. The puzzle book contain: - 200 Puzzles- Handy 6 x 9 inch Book Layout- 2 Puzzles per Page- Ideal for both Beginners and Experts In the book you will find a description and examples of solutions for all puzzles.The book is for those who like logic and math problems. Decide, developing and improving.

Hashi (also known as "Hashiwokakero" from Japanese "Hashi o kakero"; literally "build bridges"; "Bridges", "Chopsticks", or "Ai-Ki-Ai") is a type of logic puzzle. It is played on a rectangular grid with no standard size, although the grid itself is not usually drawn. Some cells start out with (usually encircled) numbers from 1 to 8 inclusive; these are the islands. The rest of the cells are empty.The goal is to connect all of the islands into a single connected group by drawing a series of bridges between the islands. The bridges must follow certain criteria: - They must begin and end at distinct islands, travelling a straightline in between.- They must not cross any other bridges or islands.- They may only run orthogonally.- At most two bridges connect a pair of islands.- The number of bridges connected to each island must match thenumber on that island. The puzzle book contain: - 200 Puzzles- Handy 6 x 9 inch Book Layout- 2 Puzzles per Page- Ideal for both Beginners and Experts In the book you will find a description and examples of solutions for all puzzles.The book is for those who like logic and math problems. Decide, developing and improving.

Sudoku X also called Diagonal Sudoku. The puzzle is a 9x9 grid made up of 3x3 subgrids (called "regions").Some cells already contain numbers, known as "givens". The goal is to fill in the empty cells, one number in each, so that each column, row, region and diagonal contains the numbers 1 through 9 exactly once. Each number in the solution therefore occurs only once in each of three "directions", hence the "single numbers" implied by the puzzle's name. The puzzle book contain: - 200 Puzzles- Handy 6 x 9 inch Book Layout- 2 Puzzles per Page- Ideal for Beginners In the book you will find a description and examples of solutions for all puzzles.The book is for those who like logic and math problems. Decide, developing and improving.

Numbricks is a type of logic puzzle. It is played on a rectangular grid of squares. Some of the cells have numbers in them. The object is to fill in the missing numbers, in sequential order, going horizontally and vertically only. Diagonal paths are not allowed.Numbricks puzzles are similar to Hidato. The most important difference that it is only possible to move 1 node left, right, up, or down. The puzzle book contain: - 200 Puzzles- Handy 6 x 9 inch Book Layout- 2 Puzzles per Page- Ideal for Experts In the book you will find a description and examples of solutions for all puzzles.The book is for those who like logic and math problems. Decide, developing and improving.

Suguru (also known as "Number Blocks") is a logic puzzle that has simple rules, but which provides sufficient challenges to satisfy the most enthusiastic solvers!The task consists of a rectangular or square grid divided into regions.Each region must be filled with each of the digits from 1 to the number of cells in the region.Cells with the same digits must not be orthogonally or diagonally adjacent.Even though the rules are simple, you will need all your skills to solve it. The puzzle books series contain: - 500 Normal Puzzles- Handy 6 x 9 inch Book Layout- 6 Puzzles per Page- Ideal for Beginners The book is for those who like logic and math problems. Decide, developing and improving.

Killer Sudoku (also called "Sums Sudoku", "Sums Number Place", "Samunamupure", "Kikagaku Nampure") is a puzzle that combines elements of Sudoku and Kakuro. Despite the name, the simpler killer sudokus can be easier to solve than regular sudokus, depending on the solver's skill at mental arithmetic, the hardest ones, however, can take hours to crack. In Killer Sudoku, sub-regions have specified sums, and no number can be repeated within a region. The puzzle book contain: - 200 Puzzles- Handy 6 x 9 inch Book Layout- 2 Puzzles per Page- Ideal for Beginners In the book you will find a description and examples of solutions for all puzzles.The book is for those who like logic and math problems. Decide, developing and improving.

Kojun is a logic puzzle invented.A rectangular or square grid is divided into regions.Some cells contain numbers.Each region must be filled with each of the digits from 1 to the number of cells in the region.When two numbers are orthogonally adjacent, the numbers must be different.The upper number of two vertically adjacent numbers in the same region must be greater than the lower number. The puzzle book contain: - 200 Puzzles- Handy 6 x 9 inch Book Layout- 2 Puzzles per Page- Ideal for Experts In the book you will find a description and examples of solutions for all puzzles.The book is for those who like logic and math problems. Decide, developing and improving.

Shakashaka (also known as "Proof of Quilt") is a logic puzzle. The task is to place one of the four isosceles right triangles in some white cells. Each triangle must occupy exactly half of its cell, but may be in one of four orientations. Every contiguous white region must be a rectangle or a square. A number in a black cell indicates how many triangles are adjacent to that cell by sides.

Sudoku Mine combines Sudoku puzzle with Minesweeper game. The goal is to place three mines in every row, column and region. The digits in the grid represent the number of mines in the neighbouring cells.

Sudoku (also known as "Number Place") is a logic-based, combinatorial number-placement puzzle. The objective is to fill a 9x9 grid with digits so that each column, each row, and each of the nine 3x3 subgrids that compose the grid (also called "boxes", "blocks", or "regions") contains all of the digits from 1 to 9. The puzzle setter provides a partially completed grid, which for a well-posed puzzle has a single solution. Outside Sudoku is a variation of the standard sudoku. Some digits are given outside the grid. These digits must appear in the first three cells in the corresponding direction.

Killer Sudoku (also called "Sums Sudoku", "Sums Number Place", "Samunamupure", "Kikagaku Nampure") is a puzzle that combines elements of Sudoku and Kakuro. Despite the name, the simpler killer sudokus can be easier to solve than regular sudokus, depending on the solver's skill at mental arithmetic, the hardest ones, however, can take hours to crack. In Killer Sudoku, sub-regions have specified sums, and no number can be repeated within a region. The puzzle book contain: - 200 Puzzles- Handy 6 x 9 inch Book Layout- 2 Puzzles per Page- Ideal for Beginners In the book you will find a description and examples of solutions for all puzzles.The book is for those who like logic and math problems. Decide, developing and improving.

Samurai Sudoku - kind of Sudoku puzzles. The playing field consists of five squares measuring 9 x 9. The numbers 1 to 9 must be placed correctly in all five squares.Place 1 to 9 once each into every row.Place 1 to 9 once each into every column.Place 1 to 9 once each into every bold-lined 3x3 box. The puzzle book contain: - 200 Puzzles- Handy 6 x 9 inch Book Layout- 1 Puzzles per Page- Ideal for Beginners In the book you will find a description and examples of solutions for all puzzles.The book is for those who like logic and math problems. Decide, developing and improving.

Sudoku Mine combines Sudoku puzzle with Minesweeper game. The goal is to place three mines in every row, column and region. The digits in the grid represent the number of mines in the neighbouring cells.

Hidoku (from Hebrew: "my puzzle") is a logical puzzle.The goal of Hidoku is to fill the grid with consecutive numbers that connect horizontally, vertically, or diagonally. In every Hidoku puzzle the smallest and the highest number are presented in the grid. There are more numbers on the board to help to direct the player how to start the solution and to ensure that Hidoku has only a single solution. Hidoku puzzles are similar to Numbrix. The most important difference is that diagonal moves are allowed. The puzzle book contain: - 200 Puzzles- Handy 6 x 9 inch Book Layout- 2 Puzzles per Page- Ideal for Experts In the book you will find a description and examples of solutions for all puzzles.The book is for those who like logic and math problems. Decide, developing and improving.

Knossos is a logic puzzle ("Knossos" is a palace on Crete; this palace is connected with ancient legends, such as the myth of the Labyrinth with the Minotaur). It is played on a rectangular grid. Some of the cells in the grid are numbered. The goal is to divide the grid into regions ("rooms") such that each region contains exactly one number, and that number represents the border's length of the rectangle.

Sudoku Greater Than X (also called "Compdoku X") is the variation of the original Sudoku X. In addition, greater than or less than signs (">" or "The puzzle book contain: - 200 Puzzles- Handy 6 x 9 inch Book Layout- 2 Puzzles per Page- Ideal for Beginners In the book you will find a description and examples of solutions for all puzzles.The book is for those who like logic and math problems. Decide, developing and improving.

Tatamibari is a logic puzzle invented by Nikoli. A rectangular or square grid contains 3 kinds of symbols: cross, horizontal bar, vertical bar. The goal is to divide the grid into rectangular regions. Each region contains one cell with a symbol. - A region with a cross must be a square. - If a region contains a horizontal bar, the region's width must be greater than its height. - If a region contains a vertical bar, the region's width must be less than its height. - A grid dot must not be shared by the corners of four regions.

Corral (also known as "Bag", "Cave") is a logic puzzle.The aim is to draw a single closed loop along the grid lines that does not intersect itself.The loop goes around all numbers.The numbers in the grid indicate how many cells inside the loop can be seen horizontally and vertically from that cell, including the cell itself.Question marks can be used instead of clue numbers.Each question mark can represent any nonzero integer. The puzzle book contain: - 200 Puzzles- Handy 6 x 9 inch Book Layout- 2 Puzzles per Page- Ideal for Experts In the book you will find a description and examples of solutions for all puzzles.The book is for those who like logic and math problems. Decide, developing and improving.

Numbricks is a type of logic puzzle. It is played on a rectangular grid of squares. Some of the cells have numbers in them. The object is to fill in the missing numbers, in sequential order, going horizontally and vertically only. Diagonal paths are not allowed.Numbricks puzzles are similar to Hidato. The most important difference that it is only possible to move 1 node left, right, up, or down. The puzzle book contain: - 200 Puzzles- Handy 6 x 9 inch Book Layout- 2 Puzzles per Page- Ideal for Experts In the book you will find a description and examples of solutions for all puzzles.The book is for those who like logic and math problems. Decide, developing and improving.

Kojun is a logic puzzle invented.A rectangular or square grid is divided into regions.Some cells contain numbers.Each region must be filled with each of the digits from 1 to the number of cells in the region.When two numbers are orthogonally adjacent, the numbers must be different.The upper number of two vertically adjacent numbers in the same region must be greater than the lower number. The puzzle book contain: - 200 Puzzles- Handy 6 x 9 inch Book Layout- 2 Puzzles per Page- Ideal for Experts In the book you will find a description and examples of solutions for all puzzles.The book is for those who like logic and math problems. Decide, developing and improving.

Four Winds is played on a rectangular or square grid with black and white cells.All black cells contain numbers.The aim is to draw a horizontal or a vertical line in each white cell.Each number represents the total number of white cells occupied by the lines from that number.Lines cannot enter other numbered black cells or intersect with other lines. The puzzle book contain: - 200 Puzzles- Handy 6 x 9 inch Book Layout- 2 Puzzles per Page- Ideal for both Beginners and Experts In the book you will find a description and examples of solutions for all puzzles.The book is for those who like logic and math problems. Decide, developing and improving.

Sudoku Jigsaw (also known as "Irregular", "Nonomino" or "Geometric Sudoku") is a logic-based, combinatorial number-placement puzzle. Jigsaw Sudokus are very similar to regular Sudoku puzzles. Regular 10x10 Sudoku that row and column rules apply, but instead of a 5x2 grid they are ten Jigsaw shapes.Each row, column and jigsaw shape contains all of the digits 1 through 10. In all other respects the puzzle works in the same way, but this change in the region shapes introduces new twists into the logic required to solve the puzzle - and often makes it much harder for you to find the next move as a result! Every Jigsaw Sudoku puzzle only ever has one possible solution, and it can always be reached via reasonable logical deduction. In other words, guessing is never required. The puzzle book contain: - 200 Puzzles- Handy 6 x 9 inch Book Layout- 2 Puzzles per Page- Ideal for both Beginners and Experts In the book you will find a description and examples of solutions for all puzzles.The book is for those who like logic and math problems. Decide, developing and improving.

Kojun is a logic puzzle invented.A rectangular or square grid is divided into regions.Some cells contain numbers.Each region must be filled with each of the digits from 1 to the number of cells in the region.When two numbers are orthogonally adjacent, the numbers must be different.The upper number of two vertically adjacent numbers in the same region must be greater than the lower number. The puzzle book contain: - 200 Puzzles- Handy 6 x 9 inch Book Layout- 2 Puzzles per Page- Ideal for Beginners In the book you will find a description and examples of solutions for all puzzles.The book is for those who like logic and math problems. Decide, developing and improving.

Samurai Sudoku Jigsaw puzzle consists of 5 overlapping Jigsaw Sudoku grids. Place the digits 1 to 9 into every row and column of each of the regular 9x9 Sudoku grids, as well as each of the bold-lined jigsaw pieces. The puzzle book contain: - 200 Puzzles- Handy 6 x 9 inch Book Layout- 1 Puzzles per Page- Ideal for Beginners In the book you will find a description and examples of solutions for all puzzles.The book is for those who like logic and math problems. Decide, developing and improving.

Tents Island (also known as "Airando") is a logic puzzle invented by Naoki Inaba (Japan). It consists of a grid, with numbers in some cells. The aim is to blacken some cells of a grid according to the following rules: - The white cells form a single island. Each numbered cell must be a part of this island. - The numbers indicate how many unnumbered white cells can be reached from that cell by moving horizontally or vertically. Numbered cells block access.