From the original publisher of daily Sudokus in the United States, USA TODAY presents 200 all-new Sudoku puzzle challenges in five difficulty levels.USA TODAY Sudoku Super Challenge 3 is a collection featuring 200 Sudoku puzzles in five difficulty levels from
USA TODAY—the nation's newspaper.
Features include:
- Introductory how-to section
- 200 9 x 9 Sudoku puzzles
- Comprehensive answer key