Heyawake & Sudoku


Book Description

Widely regarded as the world s most prolific wellspring of logic games and brainteasers ... if anyone comes up with the next craze, it will be Nikoli "The New York Times"Heyawake is a popular logic puzzle from Japan that s new to these shores, and will delight sudoku fans. Here s how heyawake works: Dark lines divide the grid into many different rooms. Some rooms contain a number, which indicates the number of black cells inside that room. Black squares may not lie horizontally or vertically adjacent to another black square. The white squares must all remain connected to each other, and no unbroken line of white cells may extend into more than two rooms. Fans of sudoku and other puzzles will discover many exciting strategies that make solving heyawake a uniquely satisfying experience."




Hitori and Sudoku


Book Description

Puzzle fans will love hitori. Instead of filling in numbers on a grid, they have to black them outlike playing sudoku backwards! Hitori is a new brainchild of Nikoli, publisher of Japan s very first puzzle magazine and a superpower in the puzzle world. The rules are simple: 1) No number may appear more than once in any row or column. 2) Starting with a fully filled grid, the solver has to decide which duplicate numbers to knock out. And 3) all numbers remaining at the end have to be connected together. It s a whole new kind of mind-bending fun."""




Fillomino and Sudoku


Book Description

No one in the puzzle field has hatched as many new brainteasers as Nikoli, publishers of Japan s very first puzzle monthly. Now their blockbuster creation sudoku joins forces with a hot newcomerfillomino. Like sudoku, fillomino has a simple set of rules that allow for endlessly fascinating possibilities. The challenge: fill a grid with clusters of numbers (2s in groups of 2, 3s in groups of 3, etc.) so that no group touches a group of the same size. America s millions of Sudoku fans will catch on instantlyand they ll be hooked."""




Hashi and Sudoku


Book Description

There s an irresistible new puzzle from Nikoli! For millions of fans worldwide, that s big news. Nikoli, publisher of Japan s very first puzzle magazine and popularizer of the mega-hit sudoku, now introduces hashi (Japanese for bridge )a puzzle that asks solvers to draw lines between numbered circles. The rules: all lines must be horizontal or vertical, no lines may cross, and each circle may have only as many bridges as its number. Sounds simpleuntil you try it. Which makes it a perfect new companion to sudoku, today s most popular logic puzzle."""




Nurikabe and Sudoku


Book Description

Widely regarded as the world s most prolific wellspring of logic games and brainteasers ... if anyone comes up with the next craze, it will be Nikoli "The New York Times"Just a few simple rules lead to an endless variety of fascinating logical possibilities with nurikabe. Shade the grid so that it contains a connected river of black squares. Each number in the grid is part of a different island, and the number indicates how many white squares that island contains. Also, no 2-by-2 square in the grid may be colored entirely black."




216 Blank Sudoku 10x10 Grids


Book Description

When you buy this book you get an electronic version (PDF file) of the interior of this book. This book includes 216 blank Sudoku 10x10 grids for you to transfer puzzles over to or to make your own! Two empty 10x10 grids per page. You can use the blank Sudoku grids: to transfer Sudoku puzzles from elsewhere to use as practice for any newspaper, magazine, or other Sudoku puzzle to make your own Sudoku puzzles to start over when you made a mistake on a Sudoku puzzle




216 Blank Sudoku 15x15 Grids


Book Description

When you buy this book you get an electronic version (PDF file) of the interior of this book. This book includes 216 blank Sudoku 15x15 grids for you to transfer puzzles over to or to make your own! Two empty 15x15 grids per page. You can use the blank Sudoku grids: to transfer Sudoku puzzles from elsewhere to use as practice for any newspaper, magazine, or other Sudoku puzzle to make your own Sudoku puzzles to start over when you made a mistake on a Sudoku puzzle




216 Blank Classic Sudoku 9x9 Grids


Book Description

When you buy this book you get an electronic version (PDF file) of the interior of this book. This book includes 216 blank Sudoku 9x9 grids for you to transfer puzzles over to or to make your own! Two empty 9x9 grids per page. You can use the blank Sudoku grids: to transfer Sudoku puzzles from elsewhere to use as practice for any newspaper, magazine, or other Sudoku puzzle to make your own Sudoku puzzles to start over when you made a mistake on a Sudoku puzzle




216 Blank Large Sudoku 12x12 Grids


Book Description

When you buy this book you get an electronic version (PDF file) of the interior of this book. This book includes 216 blank Sudoku 12x12 grids for you to transfer puzzles over to or to make your own! Two empty 12x12 grids per page. You can use the blank Sudoku grids: to transfer Sudoku puzzles from elsewhere to use as practice for any newspaper, magazine, or other Sudoku puzzle to make your own Sudoku puzzles to start over when you made a mistake on a Sudoku puzzle




216 Blank Mega Sudoku 16x16 Grids


Book Description

When you buy this book you get an electronic version (PDF file) of the interior of this book. This book includes 216 blank Sudoku 16x16 grids for you to transfer puzzles over to or to make your own! Two empty 16x16 grids per page. You can use the blank Sudoku grids: to transfer Sudoku puzzles from elsewhere to use as practice for any newspaper, magazine, or other Sudoku puzzle to make your own Sudoku puzzles to start over when you made a mistake on a Sudoku puzzle