Sudoku Plus Puzzle Book-Vol.325
Sudoku Plus Puzzle Book-Vol.324
Sudoku Plus Puzzle Book-Volume 326
Sudoku Collection Puzzle Book-Volume 121
512 SUDOKU Puzzles: Easy, Medium, Hard and Extreme Sudoku Puzzle Book including Instructions and answer keys
Jigsaw Sudoku: 200 Medium Jigsaw Sudoku Puzzles Volume 1
Sudoku Variants
Jigsaw Sudoku book: irregularly shaped sudoku puzzles in large font