Argyle Sudoku - Easy to Extreme - Volume 1 - 276 Puzzles
Tridoku - Hard - Volume 4 - 276 Puzzles
Jigsaw Sudoku 10x10 - Hard - Volume 11 - 276 Puzzles
CalcuDoku 9x9 - Medium - Volume 9 - 276 Puzzles
Sudoku 15x15 - Hard - Volume 25 - 276 Puzzles
Binary Puzzles 14x14 - Hard - Volume 10 - 276 Puzzles
Slitherlink Mixed Grids Deluxe - Easy to Hard - Volume 6 - 474 Puzzles
Sudoku For Kids 8x8 - Medium - Volume 5 - 145 Logic Puzzles
Minesweeper Mixed Grids - Easy to Hard - Volume 6 - 156 Logic Puzzles
Binary Puzzles Mixed Grids - Hard - Volume 4 - 276 Puzzles
Nurikabe Mixed Grids - Easy - Volume 8 - 276 Logic Puzzles
Flower Sudoku - Easy - Volume 2 - 276 Logic Puzzles
Binary Puzzles 14x14 - Easy - Volume 8 - 276 Puzzles
Masyu Mixed Grids - Medium - Volume 3 - 276 Logic Puzzles
Sudoku Mixed Grids Deluxe - Easy to Extreme - Volume 42 - 476 Puzzles
Futoshiki 9x9 Deluxe - Easy to Hard - Volume 12 - 468 Puzzles
Samurai Sudoku - Easy to Extreme - Volume 1 - 159 Puzzles
216 Blank Mega Sudoku 16x16 Grids
Sudoku 15x15 Deluxe - Easy to Extreme - Volume 28 - 468 Puzzles
Classic Sudoku 9x9 - Medium to Hard - Volume 63 - 276 Logic Puzzles
