Killer Sudoku 9x9 - Hard - Volume 4 - 270 Puzzles
Killer Sudoku For Kids 6x6 - Easy to Hard - Volume 1 - 145 Puzzles
Killer Sudoku 10x10 - Hard - Volume 10 - 267 Puzzles
Killer Sudoku 12x12 - Hard - Volume 16 - 276 Puzzles
Killer Sudoku Mixed Grids - Medium - Volume 21 - 276 Puzzles
Killer Sudoku 10x10 - Easy - Volume 8 - 267 Puzzles
Killer Sudoku Mixed Grids - Easy to Hard - Volume 19 - 276 Puzzles
Daily Killer Sudoku Puzzle Calendar 2016
Killer Sudoku 12x12 Deluxe - Easy to Hard - Volume 18 - 468 Puzzles
Killer Sudoku 10x10 Deluxe - Easy to Hard - Volume 12 - 459 Puzzles
Killer Sudoku 9x9 - Easy - Volume 2 - 270 Puzzles
Killer Sudoku 9x9 Deluxe - Easy to Hard - Volume 6 - 462 Puzzles
Killer Sudoku 12x12 - Medium - Volume 15 - 276 Puzzles
Killer Sudoku 9x9 Large Print - Easy to Hard - Volume 5 - 270 Puzzles
Killer Sudoku 9x9 - Easy to Hard - Volume 1 - 270 Puzzles
Killer Sudoku Mixed Grids - Easy - Volume 20 - 276 Puzzles
Killer Sudoku 9x9 - Medium - Volume 3 - 270 Puzzles
Killer Sudoku 10x10 - Easy to Hard - Volume 7 - 267 Puzzles
Killer Sudoku 9x9 Large Print - Easy - Volume 25 - 270 Logic Puzzles
Killer Sudoku 12x12 - Easy to Hard - Volume 13 - 276 Puzzles
