A Formidable Opponent: Can You Conquer These 200 Sudoku Puzzles?

Can you? Can you spend enough time to conquer this book of Sudoku puzzles? Can you patiently go through each number and try to get their pattern? If you think about it, playing Sudoku is all about having the patience to figure what your eyes cannot see immediately. Once you see the pattern, filling out the rest of the boxes will be easy. Grab a copy today!