Shikaku Mixed Grids - Medium - Volume 3 - 159 Logic Puzzles
Shikaku Mixed Grids - Easy - Volume 2 - 159 Logic Puzzles
Shikaku Mixed Grids - Hard - Volume 4 - 159 Logic Puzzles
Shikaku Mixed Grids Deluxe - Easy to Hard - Volume 5 - 255 Logic Puzzles
Shikaku Mixed Grids - Easy to Hard - Volume 1 - 156 Puzzles
Sudoku Mixed Grids - Hard - Volume 39 - 282 Puzzles
Star Sudoku - Easy to Extreme - Volume 1 - 276 Logic Puzzles
Numbricks 15x15 - Easy to Hard - Volume 11 - 276 Logic Puzzles
CalcuDoku 9x9 Deluxe - Easy to Hard - Volume 12 - 468 Puzzles
Mini Sudoku For Kids 6x6 - Medium - Volume 10 - 145 Logic Puzzles
Killer Sudoku 12x12 - Easy - Volume 14 - 276 Puzzles
Minesweeper Mixed Grids - Easy - Volume 2 - 159 Logic Puzzles
Sudoku 10x10 - Easy - Volume 9 - 276 Puzzles
Jigsaw Sudoku 9x9 - Extreme - Volume 5 - 276 Puzzles
Killer Sudoku 9x9 Large Print - Hard - Volume 27 - 270 Logic Puzzles
Killer Sudoku Mixed Grids - Easy to Hard - Volume 19 - 276 Puzzles
Killer Sudoku 12x12 Deluxe - Easy to Hard - Volume 18 - 468 Puzzles
Sudoku Travel Pocket Size Book 7 - 120 Medium to Hard Logic Puzzles For On-The-Go Holiday Fun
CalcuDoku 9x9 - Hard - Volume 10 - 276 Puzzles
