This book includes 216 blank Sudoku 15x15 grids for you to transfer puzzles over to or to make your own! Two empty 15x15 grids per page.
You can use the blank Sudoku grids:
to transfer Sudoku puzzles from elsewhere to use as practice for any newspaper, magazine, or other Sudoku puzzle to make your own Sudoku puzzles to start over when you made a mistake on a Sudoku puzzle