- Sudoku Puzzle Book, 300 Hard Puzzles: 300 SUDOKU Puzzle Hard Difficulty, 3 Sudoku Puzzle every Page With Solutions in the end,sudoku difficult, size 6 x 9 with Soft Matte Cover
- Sudoku Puzzle Book: 320 Very Easy Puzzles,16x 16, Solutions Included, Volume 6, (8.5 x 11 IN)
- Sudoku Puzzle Book: 320 Hard Puzzles, 16x16, Solutions Included, Volume 10, (8.5 x 11 IN)
- Sudoku Puzzle Book: 320 Medium Puzzles, 9x9, Solutions Included, Volume 3, (8.5 x 11 IN)
- Sudoku Puzzle Book: 320 Easy Puzzles,16x 16, Solutions Included, Volume 7, (8.5 x 11 IN)