Big Bad Puzzles

The Big Bad Sudoku Book Big Bad Puzzles

100 Extremely HARD Sudoku Puzzles.


These are the baddest sudokus on the market. If you're a lean, mean, sudoku-solving machine (or you know someone who is) - then you've come to the right place. The difficulty level is set to HIGH and these puzzles are waiting to be solved.


100 HARD Sudoku PuzzlesFREE BONUS INSIDELarge Print


Sudoku puzzles are a great exercise for your brain. They help to stimulate the mind and can even delay or prevent diseases like Alzheimer's.


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