Easy to Extreme: Sudoku

Sharpen your mind and live longer! This compact-sized book has something for Sudoku fans old and new. With five difficulty levels ranging from beginner to extreme, newcomers will become addicted and experts will have fresh puzzles to test them. When you've finished a puzzle or finally give up, check [...]
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Sharpen your mind and live longer! This compact-sized book has something for Sudoku fans old and new. With five difficulty levels ranging from beginner to extreme, newcomers will become addicted and experts will have fresh puzzles to test them. When you've finished a puzzle or finally give up, check out the answers in the back.