Argyle Sudoku - Easy to Extreme - Volume 1 - 276 Puzzles
Masyu Mixed Grids - Hard - Volume 4 - 276 Logic Puzzles
Killer Sudoku 9x9 - Hard - Volume 4 - 270 Puzzles
King-Sized Kakuro Mixed Grids - Volume 7 - 153 Logic Puzzles
CalcuDoku 9x9 - Easy - Volume 8 - 276 Puzzles
Shikaku Mixed Grids - Medium - Volume 3 - 159 Logic Puzzles
Minesweeper Mixed Grids Deluxe - Easy to Hard - Volume 10 - 255 Logic Puzzles
Futoshiki 9x9 - Medium - Volume 9 - 276 Puzzles
Binary Puzzles 14x14 - Medium - Volume 9 - 276 Puzzles
Tridoku - Easy - Volume 2 - 276 Puzzles
Sudoku 15x15 - Easy to Extreme - Volume 22 - 276 Puzzles
Flower Sudoku Deluxe - Easy to Extreme - Volume 7 - 468 Logic Puzzles
Minesweeper Mixed Grids - Hard - Volume 9 - 159 Logic Puzzles
Large Sudoku 12x12 - Easy to Extreme - Volume 15 - 276 Puzzles
Sudoku 8x8 - Easy - Volume 49 - 276 Puzzles
Mega Sudoku 16x16 - Extreme - Volume 33 - 276 Puzzles
Samurai Sudoku - Hard - Volume 4 - 159 Puzzles
Shikaku Mixed Grids - Hard - Volume 4 - 159 Logic Puzzles
Nurikabe Mixed Grids - Easy to Hard - Volume 1 - 276 Puzzles
Sudoku For Kids 8x8 - Easy - Volume 4 - 145 Logic Puzzles
