Discover how to:
- Solve the popular 9x9 puzzle-220 included
- Work through the 16x16 puzzles-10 included
- Master the Circular puzzle-10 included
- Solve puzzles at 4 difficulty levels: Easy, Tricky, Tough, and
Diablical!
Part I Sudoku Strategy
Part II Taking Sudoku Up a Notch
Part III The Answer to Your Problems