Shikaku Mixed Grids - Hard - Volume 4 - 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 - Easy - Volume 2 - 159 Logic Puzzles
Shikaku Mixed Grids Deluxe - Easy to Hard - Volume 5 - 255 Logic Puzzles
Sudoku For Kids Mixed Grids - Easy to Extreme - Volume 3 - 145 Puzzles
Samurai Sudoku Deluxe - Easy to Extreme - Volume 6 - 255 Puzzles
Jigsaw Sudoku 9x9 - Hard - Volume 4 - 276 Puzzles
Futoshiki Mixed Grids Deluxe - Easy to Hard - Volume 6 - 474 Puzzles
Killer Sudoku 9x9 - Hard - Volume 4 - 270 Puzzles
Mini Sudoku 6x6 Deluxe - Easy to Hard - Volume 47 - 468 Puzzles
Sudoku Mixed Grids Large Print - Easy to Extreme - Volume 41 - 267 Puzzles
Sudoku 10x10 - Hard - Volume 11 - 276 Puzzles
Mini Sudoku 6x6 - Easy to Hard - Volume 43 - 276 Puzzles
Mini Sudoku 6x6 - Hard - Volume 46 - 276 Puzzles
Hoshi Sudoku - Hard - Volume 4 - 276 Puzzles
Hoshi Sudoku Deluxe - Easy to Extreme - Volume 7 - 468 Puzzles
Classic Sudoku For Kids 9x9 - Extreme - Volume 16 - 145 Logic Puzzles
Outside Sudoku Large Print - Easy to Extreme - Volume 6 - 276 Puzzles
