Sudoku Toolbox: 500 Puzzles each with a Sudoku-Toolbox Featuring 26 Puzzle-Solving Techniques - Paperback

by David Peru (Author)

Here are 500 puzzles each with a Sudoku-Toolbox(TM) featuring 26 puzzle-solving techniques. For each of the 26 puzzle-solving techniques there is a detailed reference page. These 500 puzzles feature some the most amazing and unusual Sudoku puzzles ever published!