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Our Favorite Sudoku Books (Advertisement):
Printable Sudoku Puzzles Generator
Sometimes you want to take Sudoku with you on the go. Now you can! Choose the difficulty (easy, medium, hard), the number of puzzles per page (1 per page, 2 per page, 4 per page, or 6 per page), and the page size (US Letter or A4). Then you can print off the generated PDF containing the puzzles and solutions!