Argyle Sudoku - Easy to Extreme - Volume 1 - 276 Puzzles
Sudoku Mixed Grids - Medium - Volume 38 - 282 Puzzles
Sudoku 15x15 - Medium - Volume 24 - 276 Puzzles
Classic Sudoku 9x9 Travel Pocket Size Book For Kids 3 - 120 Easy to Hard Logic Puzzles For On-The-Go Holiday Fun
Killer Sudoku 12x12 Deluxe - Easy to Hard - Volume 18 - 468 Puzzles
Samurai Sudoku - Easy - Volume 2 - 159 Puzzles
Sudoku 15x15 - Hard - Volume 25 - 276 Puzzles
Hoshi Sudoku - Medium - Volume 3 - 276 Puzzles
Binary Puzzles 14x14 Deluxe - Easy to Hard - Volume 12 - 468 Puzzles
Binary Puzzles Mixed Grids Large Print - Easy to Hard - Volume 5 - 276 Puzzles
Consecutive Sudoku - Easy - Volume 2 - 276 Logic Puzzles
Killer Sudoku - Cage Total Tables
Nurikabe Mixed Grids - Easy to Hard - Volume 1 - 276 Puzzles
Star Sudoku Large Print - Easy to Extreme - Volume 6 - 276 Logic Puzzles
Happy Birthday Sudoku - Volume 2 - 276 Logic Puzzles
CalcuDoku 9x9 - Medium - Volume 9 - 276 Puzzles
Masyu Mixed Grids - Medium - Volume 3 - 276 Logic Puzzles
Sudoku For Kids 8x8 - Medium - Volume 5 - 145 Logic Puzzles
Mega Sudoku 16x16 - Easy to Extreme - Volume 29 - 276 Puzzles
Outside Sudoku - Medium - Volume 3 - 276 Puzzles
