500 Sudoku Puzzles Medium: 4 Per Page Solutions Included Large Print (Sudoku 500)

500 Sudoku Puzzles Hard: 4 Per Page Solutions Included Large Print (Sudoku 500)

500 Sudoku Puzzles Easy: 4 Per Page Solutions Included Large Print: 3 (Sudoku 500)

500 Sudoku Puzzles Very Hard: 4 Per Page Solutions Included Large Print:...

500 Sudoku Puzzles 5 Difficulty Levels: 4 Per Page Solutions Included Large...