Shikaku Mixed Grids - Hard - Volume 4 - 159 Logic Puzzles
Shikaku Mixed Grids - Medium - Volume 3 - 159 Logic Puzzles
Shikaku Mixed Grids - Easy - Volume 2 - 159 Logic Puzzles
Shikaku Mixed Grids - Easy to Hard - Volume 1 - 156 Puzzles
Shikaku Mixed Grids Deluxe - Easy to Hard - Volume 5 - 255 Logic Puzzles
Jigsaw Sudoku 10x10 - Easy to Extreme - Volume 8 - 276 Puzzles
CalcuDoku 9x9 - Medium - Volume 9 - 276 Puzzles
Sudoku X 16x16 - Easy to Extreme - Volume 5 - 276 Puzzles
Heyawake Mixed Grids Large Print - Easy to Hard - Volume 5 - 276 Logic Puzzles
Masyu Mixed Grids - Hard - Volume 4 - 276 Logic Puzzles
Tridoku - Hard - Volume 4 - 276 Puzzles
Hidoku Mixed Grids - Easy to Hard - Volume 1 - 156 Puzzles
Girandola Sudoku - Easy to Extreme - Volume 1 - 276 Puzzles
Binary Puzzles For Kids Mixed Grids - Easy to Hard - Volume 1 - 145 Puzzles
Mega Sudoku 16x16 - Medium - Volume 31 - 276 Puzzles
Mini Sudoku For Kids 6x6 - Easy - Volume 9 - 145 Logic Puzzles
Jigsaw Sudoku 9x9 Deluxe - Hard - Volume 22 - 468 Logic Puzzles
Killer Sudoku Mixed Grids - Easy to Hard - Volume 19 - 276 Puzzles
Jigsaw Sudoku 9x9 - Extreme - Volume 5 - 276 Puzzles
Jigsaw Sudoku 10x10 - Extreme - Volume 12 - 276 Puzzles
