Amazon.com: Sudoku Puzzle Book for Adults, Young Adults and Teens: 1000 Sudoku Puzzles Easy to Hard including Standard Sudoku, Killer Sudoku, Sudoku Samurai, Marathon and more: 9798759732396: Publishing, BRIANTINKER: Books
Hyper Sudoku: Very Easy Four-Box Sudoku Puzzles Printed in Large Font (Windoku): Mindful Puzzle Books: 9781074485078: Amazon.com: Books
Funtastic Puzzles - 200 Normal Level Sudoku Triathlon B Puzzles - Sudoku Triathlon B #1: Normal Level Sudoku Triathlon B Puzzles for Sudoku Puzzle Solvers Who Want a Challenge: Puzzles, Funtastic: 9798632712804: Amazon.com: Books
Anti Diagonal Sudoku: 250 Hard to Very Hard Anti Diagonal Sudoku Puzzles ( Sudoku Anti Diagonal): Mindful Puzzle Books: 9781655479519: Amazon.com: Books