Argyle Sudoku - Easy to Extreme - Volume 1 - 276 Puzzles
Sudoku 15x15 - Extreme - Volume 26 - 276 Puzzles
Anti-King Sudoku 15x15 - Easy to Extreme - Volume 4 - 276 Puzzles
Classic Sudoku 9x9 - Medium to Hard - Volume 63 - 276 Logic Puzzles
Huge Hashi Mixed Grids - Volume 1 - 159 Puzzles
Heyawake Mixed Grids - Hard - Volume 4 - 276 Logic Puzzles
Sudoku Travel Pocket Size Book 2 - 120 Easy Logic Puzzles For On-The-Go Holiday Fun
Killer Sudoku 12x12 - Easy - Volume 14 - 276 Puzzles
Mini Sudoku 6x6 - Hard - Volume 46 - 276 Puzzles
Anti-King Sudoku 16x16 - Easy to Extreme - Volume 5 - 276 Puzzles
Mega Sudoku 16x16 Large Print - Easy - Volume 57 - 276 Logic Puzzles
Sudoku 10x10 - Hard - Volume 11 - 276 Puzzles
Anti-Knight Sudoku 10x10 - Easy to Extreme - Volume 2 - 276 Puzzles
Futoshiki For Kids Mixed Grids - Easy to Hard - Volume 1 - 145 Puzzles
Samurai Sudoku - Hard - Volume 4 - 159 Puzzles
Numbricks 15x15 - Easy to Hard - Volume 11 - 276 Logic Puzzles
Binary Puzzles 14x14 Deluxe - Easy to Hard - Volume 12 - 468 Puzzles
Heyawake Mixed Grids - Easy to Hard - Volume 1 - 276 Logic Puzzles
Killer Sudoku 10x10 - Easy to Hard - Volume 7 - 267 Puzzles
Sudoku 15x15 - Easy - Volume 23 - 276 Puzzles
