Sudoku For Dummies, Volume 2Sudoku For Dummies, Volume 2 offers 240 original and addictive puzzles, including new circular and 16 x 16 puzzles. These new puzzle formats add exciting dimensions to gameplay and ensure even the most avid Sudoku fan remains entertained. Of the 240 puzzles, 220 are the popular 9x9 puzzles, 10 are 16 x 16, and 10 are circular puzzles. Within each category, there are Easy, Tricky, Tough, and Diabolical puzzle ratings, with each puzzle clearly
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