Printable medium level 9 by 9 Sudoku puzzles for kids, beginners and profs.
Level 9 - a set of 13 wire puzzles | Puzzle Master Wire Puzzles | Puzzle Master Inc
New Big Book Of Sudoku 320 Puzzles Medium Level 9×9 : 320 Puzzles & Solutions, Sudoku Books Medium Level Puzzles For Adults 9×9 (Paperback) - Walmart.com
Amazon.com: Nosey Puzzle - Jigsaw Puzzles for Adults, Very Difficult Level 9/10 : Toys & Games