Argyle Sudoku - Easy to Extreme - Volume 1 - 276 Puzzles
Large Sudoku 12x12 - Extreme - Volume 19 - 276 Puzzles
Heyawake Mixed Grids Deluxe - Easy to Hard - Volume 6 - 474 Logic Puzzles
Tridoku - Hard - Volume 4 - 276 Puzzles
Anti-King Sudoku 12x12 - Easy to Extreme - Volume 3 - 276 Puzzles
Killer Sudoku 12x12 - Easy to Hard - Volume 13 - 276 Puzzles
Shikaku Mixed Grids - Medium - Volume 3 - 159 Logic Puzzles
Flower Sudoku - Extreme - Volume 5 - 276 Logic Puzzles
Sudoku X 9x9 - Hard to Extreme - Volume 6 - 276 Puzzles
Sudoku 15x15 - Easy to Extreme - Volume 22 - 276 Puzzles
Outside Sudoku - Extreme - Volume 5 - 276 Puzzles
Tridoku Large Print - Easy to Extreme - Volume 6 - 276 Puzzles
Minesweeper Mixed Grids Deluxe - Easy to Hard - Volume 10 - 255 Logic Puzzles
Killer Sudoku Mixed Grids Large Print - Easy to Hard - Volume 23 - 276 Puzzles
Jigsaw Sudoku 12x12 - Easy - Volume 16 - 276 Puzzles
Killer Sudoku Mixed Grids - Medium - Volume 21 - 276 Puzzles
Sudoku Travel Pocket Size Book 7 - 120 Medium to Hard Logic Puzzles For On-The-Go Holiday Fun
King-Sized Kakuro 22x22 - Volume 3 - 153 Puzzles
Masyu Mixed Grids Deluxe - Easy to Hard - Volume 6 - 474 Logic Puzzles
Sudoku For Kids 8x8 - Medium - Volume 5 - 145 Logic Puzzles
