Shikaku Mixed Grids - Hard - Volume 4 - 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
Shikaku Mixed Grids - Easy - Volume 2 - 159 Logic Puzzles
Shikaku Mixed Grids - Medium - Volume 3 - 159 Logic Puzzles
Jigsaw Sudoku 9x9 - Extreme - Volume 5 - 276 Puzzles
Heyawake Mixed Grids - Hard - Volume 10 - 276 Logic Puzzles
Sudoku X 16x16 - Easy to Extreme - Volume 5 - 276 Puzzles
Nurikabe Mixed Grids - Easy - Volume 2 - 276 Logic Puzzles
Non-Consecutive Sudoku - Hard - Volume 4 - 276 Logic Puzzles
Jigsaw Sudoku 9x9 Deluxe - Hard - Volume 22 - 468 Logic Puzzles
Star Sudoku - Extreme - Volume 5 - 276 Logic Puzzles
Killer Sudoku 9x9 Large Print - Easy to Hard - Volume 5 - 270 Puzzles
Large Sudoku 12x12 - Easy to Extreme - Volume 15 - 276 Puzzles
Sudoku For Kids Mixed Grids - Medium - Volume 19 - 145 Logic Puzzles
Consecutive Sudoku - Extreme - Volume 5 - 276 Logic Puzzles
King-Sized Kakuro 21x21 Deluxe - Volume 10 - 249 Logic Puzzles
Killer Sudoku 9x9 - Medium - Volume 3 - 270 Puzzles
