I Love Sudoku 1001 Puzzles: The perfect book for anyone who loves Sudoku.: 9781985056817: Sudoku, I Love: Books - Amazon.com
Sudoku Puzzles - Book 1 - (4X4, Very Easy Level): Buy Sudoku Puzzles - Book 1 - (4X4, Very Easy Level) by R Ramakrishnan at Low Price in India | Flipkart.com