Sudoku Puzzle Book for Adults Easy to Insane: Level challenge from Easy to Insane with solutions, more than 100 puzzles to build your mental abilities by Perfect size 8.5'' x 11'' inches.:
Amazon.com: balacoo Wooden Sudoku Puzzle Board Game with Drawer Number Thinking Tiles Logical Reasoning Training Classic Table Toy for Adults and Kids : Toys & Games
Universal Sudoku Puzzle Large Print: Hours Of Fun!: Nova, Sadie: 9781074951818: Amazon.com: Books
Jigsaw Sudoku book: irregularly shaped sudoku puzzles in large font: Djape: 9781514604403: Amazon.com: Books
Amazon.com: balacoo Wooden Sudoku Puzzle Board Game with Drawer Number Thinking Tiles Logical Reasoning Training Classic Table Toy for Adults and Kids : Toys & Games