The only thing better than a Jim Smith puzzles is 300 of them Here's the perfect collection of Hard puzzles for avid sudoku fans. So grab a pencil and enjoy hours (and hours ) of fun sudoku solving.

The only thing better than a Jim Smith puzzles is 300 of them Here's the perfect collection of Hard puzzles for avid sudoku fans. So grab a pencil and enjoy hours (and hours ) of fun sudoku solving.

The only thing better than a Jim Smith puzzles is 300 of them Here's the perfect collection of Hard puzzles for avid sudoku fans. So grab a pencil and enjoy hours (and hours ) of fun sudoku solving.

The only thing better than a Jim Smith puzzles is 300 of them Here's the perfect collection of Hard puzzles for avid sudoku fans. So grab a pencil and enjoy hours (and hours ) of fun sudoku solving.

The only thing better than a Jim Smith puzzles is 300 of them Here's the perfect collection of Hard puzzles for avid sudoku fans. So grab a pencil and enjoy hours (and hours ) of fun sudoku solving.

The only thing better than a Jim Smith puzzles is 300 of them Here's the perfect collection of Hard puzzles for avid sudoku fans. So grab a pencil and enjoy hours (and hours ) of fun sudoku solving.