Hidoku Mixed Grids - Easy to Hard - Volume 1 - 156 Puzzles
Hidoku Mixed Grids - Hard - Volume 4 - 156 Logic Puzzles
Hidoku Mixed Grids - Medium - Volume 3 - 156 Logic Puzzles
Hidoku Mixed Grids Deluxe - Easy to Hard - Volume 5 - 255 Logic Puzzles
Hidoku Mixed Grids - Easy - Volume 2 - 156 Logic Puzzles
Killer Sudoku 12x12 - Medium - Volume 15 - 276 Puzzles
Tridoku - Hard - Volume 4 - 276 Puzzles
Killer Sudoku 9x9 Deluxe - Easy to Hard - Volume 6 - 462 Puzzles
Anti-Knight Sudoku 15x15 - Easy to Extreme - Volume 4 - 276 Puzzles
Sudoku X 10x10 - Hard to Extreme - Volume 7 - 276 Puzzles
Sudoku Travel Pocket Size Book 4 - 120 Hard Logic Puzzles For On-The-Go Holiday Fun
Hitori 30x30 - Volume 3 - 159 Logic Puzzles
Mega Sudoku 16x16 Large Print - Extreme - Volume 60 - 276 Logic Puzzles
Sudoku Mixed Grids Deluxe - Extreme - Volume 61 - 476 Logic Puzzles
Heyawake Mixed Grids Large Print - Easy to Hard - Volume 11 - 276 Logic Puzzles
Outside Sudoku Large Print - Easy to Extreme - Volume 6 - 276 Puzzles
Killer Sudoku 9x9 Large Print - Easy - Volume 25 - 270 Logic Puzzles
Mega Sudoku 16x16 Large Print - Hard - Volume 59 - 276 Logic Puzzles
Jigsaw Sudoku 9x9 - Easy - Volume 2 - 276 Puzzles
Classic Sudoku For Kids 9x9 - Hard - Volume 15 - 145 Logic Puzzles
