Basford Holmes

400 classic Killer sudoku 9 x 9 VERY HARD + BONUS 250 Hidoku puzzles (Killer Classic Sudoku 9 X 9, #5)

400 classic Killer sudoku 9 x 9 HARD + BONUS 250 Hidoku puzzles (Killer Classic Sudoku 9 X 9, #4)

400 classic sudoku 9 x 9 VERY HARD LEVELS + BONUS 250 Labyrinth puzzles (Classic Sudoku 9 X 9, #5)

400 classic sudoku 9 x 9 MEDIUM - HARD LEVELS + BONUS 250 Labyrinth puzzles (Classic Sudoku 9 X 9, #7)

400 classic sudoku 9 x 9 HARD - VERY HARD LEVELS + BONUS 250 Labyrinth puzzles (Classic Sudoku 9 X 9, #8)

400 classic Killer sudoku 9 x 9 + BONUS 250 Hidoku puzzles (Killer Classic Sudoku 9 X 9, #1)

400 classic sudoku 9 x 9 EASY - MEDIUM LEVELS + BONUS 250 Labyrinth puzzles (Classic Sudoku 9 X 9, #6)

400 classic sudoku 9 x 9 MEDIUM LEVELS + BONUS 250 Labyrinth puzzles (Classic Sudoku 9 X 9, #3)

400 classic sudoku 9 x 9 HARD LEVELS + BONUS 250 Labyrinth puzzles (Classic Sudoku 9 X 9, #4)

400 classic sudoku 9 x 9 EASY LEVELS + BONUS 250 Labyrinth puzzles (Classic Sudoku 9 X 9, #2)

400 classic sudoku 9 x 9 + BONUS 250 Labyrinth puzzles very hard levels (Classic Sudoku 9 X 9, #1)