- Sudoku 9 X 9 - 250 Even - Odd Puzzles - Argyll - Level Bronze: Your Book Sudoku - Game, Logic, Mood, Rest and Entertainment
- Gold Level - 250 Championship puzzles - 16 x 16 Sudoku - Vol. 24: 50 “X” Diagonal + 50 Anti-Knight + 50 Hermit + 50 Anti-Diagonal + 50 Windowdoku. ... for you. (PITSTOP GOLD SERIES)
- 4 Towers Sudoku - 250 Level Bronze - X Diagonal - Master - Vol. 163: 9 x 9 PITSTOP. Enjoy this Sudoku.
- Champion level - 250 distinct golden Sudoku - Very hard - Vol. 17: 50 Killer Anti-Knight - 50 - 4 Towers "X" Diagonal - 50 Skyscraper - Anti-Diagonal ... great sudoku for you.
- 250 Championship Very Hard Level Puzzles - 6 X 6 - Gold Series Sudoku.: 50 Killer Anti-Knight + 50 Skyscraper Diagonal + 50 Hikaku Diagonal + 50 Even-Odd Diagonal + 50 Neighbors Diagonal. Vol.3. Book






























