Argyle Sudoku - Easy to Extreme - Volume 1 - 276 Puzzles
Sudoku X 9x9 - Easy to Extreme - Volume 1 - 276 Puzzles
Sudoku 15x15 Large Print - Easy to Extreme - Volume 27 - 276 Puzzles
Tridoku - Hard - Volume 4 - 276 Puzzles
Sudoku Mixed Grids - Easy to Extreme - Volume 36 - 282 Puzzles
CalcuDoku 9x9 Large Print - Easy to Hard - Volume 11 - 276 Puzzles
Large Sudoku 12x12 - Hard - Volume 18 - 276 Puzzles
Heyawake Mixed Grids Deluxe - Easy to Hard - Volume 12 - 474 Logic Puzzles
Mega Sudoku 16x16 - Hard - Volume 32 - 276 Puzzles
Sudoku 10x10 - Extreme - Volume 12 - 276 Puzzles
Sudoku 15x15 - Medium - Volume 24 - 276 Puzzles
King-Sized Kakuro Mixed Grids - Volume 7 - 153 Logic Puzzles
Sudoku 8x8 - Hard - Volume 51 - 276 Puzzles
Frame Sudoku - Volume 1 - 276 Logic Puzzles
Consecutive Sudoku Large Print - Easy to Extreme - Volume 6 - 276 Logic Puzzles
Anti-Knight Sudoku 12x12 - Easy to Extreme - Volume 3 - 276 Puzzles
CalcuDoku Mixed Grids - Hard - Volume 4 - 276 Puzzles
Mini Sudoku 6x6 Travel Pocket Size Book For Kids 1 - 120 Easy to Hard Logic Puzzles For On-The-Go Holiday Fun
Jigsaw Sudoku 12x12 Deluxe - Easy to Extreme - Volume 21 - 468 Puzzles
Hoshi Sudoku - Medium - Volume 3 - 276 Puzzles
