Title: Mini Brain Games Stress Free Sudoku, Author: PIL
Title: Brain Games Relax and Solve Sudoku Toile, Author: Publications International
Title: Sudoku 3: Extreme to Grand Master
Title: Sudoku: Medium to Hard
Title: 250 Sudoku Puzzles: 250 Easy to Hard Sudoku Puzzles for Adults, Author: IglooBooks
Title: Mini Brain Games Stress Free Sudoku, Author: PIL
Title: Sudoku: Easy to Medium
Title: Masterpiece Paint-doku, Author: Conceptis Puzzles
Title: Feng Shui Sudoku, Author: Frank Rubin
Title: Blockbuster Paint-doku, Author: Conceptis Puzzles
Title: Hitori & Sudoku, Author: Nikoli
Title: Pinwheel Paint-doku, Author: Conceptis Puzzles