From the original publisher of daily Sudokus in the United States, USA TODAY presents a collection of Sudoku puzzles in four difficulty levels, along with fun Sudoku variants, such as Sudoku X and Sudoku mini puzzles.USA TODAY Sudoku and Variants
is a collection featuring Sudoku puzzles in four difficulty levels from USA TODAY
—the nation's no. 1 newspaper, plus Sudoku X and Sudoku mini puzzles to round out the collection.
- Introductory how-to section
- 200 total Sudoku puzzles
- Comprehensive answer key