Argyle Sudoku - Easy to Extreme - Volume 1 - 276 Puzzles
Jigsaw Sudoku 12x12 - Extreme - Volume 19 - 276 Puzzles
Nurikabe Mixed Grids - Hard - Volume 10 - 276 Logic Puzzles
CalcuDoku 9x9 - Medium - Volume 9 - 276 Puzzles
Shikaku Mixed Grids - Easy to Hard - Volume 1 - 156 Puzzles
Shikaku Mixed Grids - Easy - Volume 2 - 159 Logic Puzzles
Futoshiki Mixed Grids - Easy - Volume 2 - 276 Puzzles
King-Sized Kakuro 22x22 - Volume 3 - 153 Puzzles
Samurai Sudoku Deluxe - Easy to Extreme - Volume 6 - 255 Puzzles
Jigsaw Sudoku 10x10 Large Print - Easy to Extreme - Volume 13 - 276 Puzzles
Samurai Sudoku - Hard - Volume 4 - 159 Puzzles
Flower Sudoku Deluxe - Easy to Extreme - Volume 7 - 468 Logic Puzzles
Non-Consecutive Sudoku - Easy to Extreme - Volume 1 - 276 Logic Puzzles
King-Sized Kakuro Mixed Grids Deluxe - Volume 2 - 249 Puzzles
Large Sudoku 12x12 - Easy to Extreme - Volume 15 - 276 Puzzles
Jigsaw Sudoku 10x10 Deluxe - Easy to Extreme - Volume 14 - 468 Puzzles
Killer Sudoku 9x9 - Easy - Volume 2 - 270 Puzzles
Mini Sudoku For Kids 6x6 - Easy - Volume 9 - 145 Logic Puzzles
Heyawake Mixed Grids Deluxe - Easy to Hard - Volume 6 - 474 Logic Puzzles
Sudoku For Kids Mixed Grids - Hard - Volume 20 - 145 Logic Puzzles
