Hidoku Mixed Grids - Easy to Hard - Volume 1 - 156 Puzzles
Hidoku Mixed Grids - Easy - Volume 2 - 156 Logic Puzzles
Hidoku Mixed Grids - Hard - Volume 4 - 156 Logic Puzzles
Hidoku Mixed Grids Deluxe - Easy to Hard - Volume 5 - 255 Logic Puzzles
Hidoku Mixed Grids - Medium - Volume 3 - 156 Logic Puzzles
Killer Sudoku For Kids 6x6 - Easy to Hard - Volume 1 - 145 Puzzles
Jigsaw Sudoku 9x9 - Extreme - Volume 5 - 276 Puzzles
CalcuDoku For Kids Mixed Grids - Easy to Hard - Volume 1 - 145 Puzzles
Happy Birthday Sudoku - Volume 1 - 276 Logic Puzzles
Large Sudoku 12x12 - Extreme - Volume 19 - 276 Puzzles
Sudoku For Kids Mixed Grids - Hard - Volume 20 - 145 Logic Puzzles
Hoshi Sudoku - Easy - Volume 2 - 276 Puzzles
Sudoku X 15x15 - Easy to Extreme - Volume 4 - 276 Puzzles
Classic Sudoku For Kids 9x9 - Easy - Volume 13 - 145 Logic Puzzles
Killer Sudoku 9x9 Large Print - Easy - Volume 25 - 270 Logic Puzzles
Jigsaw Sudoku for Kids 6x6 - Easy to Hard - Volume 1 - 145 Puzzles
Sudoku Mixed Grids - Medium - Volume 38 - 282 Puzzles
Nurikabe Mixed Grids - Easy - Volume 8 - 276 Logic Puzzles
Hitori Mixed Grids - Volume 1 - 159 Puzzles
Killer Sudoku 9x9 - Hard - Volume 4 - 270 Puzzles
