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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.
- Introductory how-to section
- 200 9 x 9 Sudoku puzzles
- Comprehensive answer key