Petite Hard Sudoku

This title presents sudoku that's easy to carry but tough to solve. If you like to do your puzzle-solving on the go, the portable "Petite Hard Sudoku" is the ticket. Sudoku master Frank Longo has crafted 106 mind-melting conundrums that all require upper-level solving techniques to conquer. So grab [...]
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This title presents sudoku that's easy to carry but tough to solve. If you like to do your puzzle-solving on the go, the portable "Petite Hard Sudoku" is the ticket. Sudoku master Frank Longo has crafted 106 mind-melting conundrums that all require upper-level solving techniques to conquer. So grab a pencil, or pen, if you dare!, and give your brain a workout.