Sudoku Samurai Medium: Original Sudoku for Brain Power Vol. 4: Include 100 Puzzles Sudoku Samurai Medium Level, Paperback/Yamada Momo
Yamada Momo
Sudoku Samurai Hard: Original Sudoku for Brain Power Vol. 7: Include 500 Puzzles Sudoku Samurai Hard Level, Paperback/Yamada Momo
