Shikaku Mixed Grids - Easy - Volume 2 - 159 Logic Puzzles
Shikaku Mixed Grids - Medium - Volume 3 - 159 Logic Puzzles
Shikaku Mixed Grids - Hard - Volume 4 - 159 Logic Puzzles
Shikaku Mixed Grids - Easy to Hard - Volume 1 - 156 Puzzles
Shikaku Mixed Grids Deluxe - Easy to Hard - Volume 5 - 255 Logic Puzzles
CalcuDoku Mixed Grids - Hard - Volume 4 - 276 Puzzles
Happy New Year Sudoku - 276 Logic Puzzles
Killer Sudoku 10x10 - Easy to Hard - Volume 7 - 267 Puzzles
Heyawake Mixed Grids Large Print - Easy to Hard - Volume 11 - 276 Logic Puzzles
Sudoku 10x10 - Extreme - Volume 12 - 276 Puzzles
Wordoku 9x9 - Extreme - Volume 9 - 276 Logic Puzzles
Sudoku For Kids Mixed Grids - Easy to Extreme - Volume 3 - 145 Puzzles
Tridoku - Medium - Volume 3 - 276 Puzzles
King-Sized Kakuro Mixed Grids Deluxe - Volume 2 - 249 Puzzles
Nurikabe Mixed Grids - Hard - Volume 10 - 276 Logic Puzzles
Large Sudoku 12x12 - Extreme - Volume 19 - 276 Puzzles
Classic Sudoku 9x9 - Extreme - Volume 5 - 276 Puzzles
Sudoku Travel Pocket Size Book 5 - 120 Extreme Logic Puzzles For On-The-Go Holiday Fun
Sudoku Mixed Grids Deluxe - Easy to Extreme - Volume 42 - 476 Puzzles
Killer Sudoku Mixed Grids - Hard - Volume 22 - 276 Puzzles
