Hidoku Mixed Grids - Hard - Volume 4 - 156 Logic Puzzles
Hidoku Mixed Grids - Easy - Volume 2 - 156 Logic Puzzles
Hidoku Mixed Grids - Easy to Hard - Volume 1 - 156 Puzzles
Hidoku Mixed Grids Deluxe - Easy to Hard - Volume 5 - 255 Logic Puzzles
Hidoku Mixed Grids - Medium - Volume 3 - 156 Logic Puzzles
Wordoku 9x9 - Extreme - Volume 9 - 276 Logic Puzzles
Sudoku 10x10 - Extreme - Volume 12 - 276 Puzzles
Sudoku Travel Pocket Size Book 2 - 120 Easy Logic Puzzles For On-The-Go Holiday Fun
Consecutive Sudoku Deluxe - Easy to Extreme - Volume 7 - 468 Logic Puzzles
Killer Sudoku 12x12 - Hard - Volume 16 - 276 Puzzles
Samurai Sudoku Deluxe - Extreme - Volume 9 - 255 Logic Puzzles
Samurai Sudoku Deluxe - Medium - Volume 7 - 255 Logic Puzzles
Futoshiki 9x9 - Hard - Volume 10 - 276 Puzzles
Sudoku X 9x9 - Hard to Extreme - Volume 6 - 276 Puzzles
Wordoku 9x9 Deluxe - Easy to Extreme - Volume 11 - 468 Logic Puzzles
Hoshi Sudoku - Medium - Volume 3 - 276 Puzzles
Classic Sudoku For Kids 9x9 - Extreme - Volume 16 - 145 Logic Puzzles
Jigsaw Sudoku 12x12 - Easy - Volume 16 - 276 Puzzles
Futoshiki 9x9 Deluxe - Hard - Volume 13 - 468 Logic Puzzles
CalcuDoku 9x9 Large Print - Easy to Hard - Volume 11 - 276 Puzzles
