Argyle Sudoku - Easy to Extreme - Volume 1 - 276 Puzzles
Binary Puzzles 14x14 - Easy to Hard - Volume 7 - 276 Puzzles
Classic Sudoku For Kids 9x9 - Hard - Volume 15 - 145 Logic Puzzles
Classic Sudoku 9x9 - Medium - Volume 3 - 276 Puzzles
Flower Sudoku - Medium - Volume 3 - 276 Logic Puzzles
Futoshiki 9x9 Deluxe - Hard - Volume 13 - 468 Logic Puzzles
Anti-King Sudoku 16x16 - Easy to Extreme - Volume 5 - 276 Puzzles
Anti-Knight Sudoku 9x9 - Easy to Extreme - Volume 1 - 276 Puzzles
Hoshi Sudoku - Easy to Extreme - Volume 1 - 276 Puzzles
Killer Sudoku 12x12 - Easy - Volume 14 - 276 Puzzles
Asterisk Sudoku - Easy to Extreme - Volume 1 - 276 Puzzles
Sudoku X 9x9 Deluxe - Extreme - Volume 12 - 468 Logic Puzzles
Kakuro Mixed Grids - Volume 6 - 270 Logic Puzzles
Numbricks Mixed Grids Large Print - Hard - Volume 10 - 276 Logic Puzzles
Jigsaw Sudoku 10x10 - Medium - Volume 10 - 276 Puzzles
Binary Puzzles 14x14 - Easy - Volume 8 - 276 Puzzles
Large Sudoku 12x12 - Extreme - Volume 19 - 276 Puzzles
Samurai Sudoku - Extreme - Volume 5 - 159 Puzzles
Futoshiki 9x9 - Easy to Hard - Volume 7 - 276 Puzzles
Killer Sudoku 12x12 - Easy to Hard - Volume 13 - 276 Puzzles
