Shikaku Mixed Grids Deluxe - Easy to Hard - Volume 5 - 255 Logic Puzzles
Shikaku Mixed Grids - Easy - Volume 2 - 159 Logic Puzzles
Shikaku Mixed Grids - Easy to Hard - Volume 1 - 156 Puzzles
Shikaku Mixed Grids - Medium - Volume 3 - 159 Logic Puzzles
Shikaku Mixed Grids - Hard - Volume 4 - 159 Logic Puzzles
Merry Christmas Sudoku - 276 Logic Puzzles
Sudoku X 15x15 - Easy to Extreme - Volume 4 - 276 Puzzles
Killer Sudoku Mixed Grids Large Print - Easy to Hard - Volume 23 - 276 Puzzles
Sudoku Travel Pocket Size Book 5 - 120 Extreme Logic Puzzles For On-The-Go Holiday Fun
Classic Sudoku 9x9 - Hard - Volume 4 - 276 Puzzles
Binary Puzzles Mixed Grids - Medium - Volume 3 - 276 Puzzles
Numbricks 15x15 - Easy to Hard - Volume 11 - 276 Logic Puzzles
Tridoku Large Print - Easy to Extreme - Volume 6 - 276 Puzzles
Jigsaw Sudoku 12x12 - Medium - Volume 17 - 276 Puzzles
Binary Puzzles 14x14 - Hard - Volume 10 - 276 Puzzles
Jigsaw Sudoku 10x10 - Easy - Volume 9 - 276 Puzzles
Binary Puzzles 14x14 - Easy to Hard - Volume 7 - 276 Puzzles
Sudoku X 16x16 - Hard to Extreme - Volume 10 - 276 Puzzles
Classic Sudoku 9x9 Travel Pocket Size Book For Kids 3 - 120 Easy to Hard Logic Puzzles For On-The-Go Holiday Fun
Sudoku For Kids 8x8 - Easy to Hard - Volume 2 - 145 Puzzles