From Nikoli, the Japanese puzzle company that created the sudoku craze, comesa title that starts at hard and goes to a level of difficulty not seen in anyprevio

Do you know and love Sudoku, the number-placing logic puzzle? Can you breeze through easy puzzles in a matter of minutes, and zip through the harder puzzles, as

After a short discussion of Sudoku and presentation of tools in Section 1, this book gives a review of standard techniques or strategies to solve these puzzles

The ultimate collection for sudoku enthusiasts! These puzzles are not intended for the beginner, the dabbler, or the faint of heart! Put your problem-solving ta

When you buy this book you get an electronic version (PDF file) of the interior of this book. Consecutive Sudoku is played in the same way as Sudoku except that