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From the original publisher of daily sudokus in the U.S., USA TODAY presents 200 all-new sudoku puzzle challenges in 5 difficulty levels.
USA TODAY Sudoku Super Challenge is a collection featuring 200 sudoku puzzles in five difficulty levels from USA TODAY—the nation's no. 1 newspaper.
Features include:
- Introductory how-to section
- 200 9 x 9 sudoku puzzles
- Comprehensive answer key
