Shikaku Mixed Grids - Medium - Volume 3 - 159 Logic Puzzles
Shikaku Mixed Grids - Easy to Hard - Volume 1 - 156 Puzzles
Shikaku Mixed Grids - Easy - Volume 2 - 159 Logic Puzzles
Shikaku Mixed Grids Deluxe - Easy to Hard - Volume 5 - 255 Logic Puzzles
Shikaku Mixed Grids - Hard - Volume 4 - 159 Logic Puzzles
Futoshiki Mixed Grids Deluxe - Hard - Volume 14 - 468 Logic Puzzles
Sudoku 8x8 - Hard - Volume 51 - 276 Puzzles
Tridoku - Hard - Volume 4 - 276 Puzzles
Sudoku 10x10 - Easy to Extreme - Volume 8 - 276 Puzzles
Large Sudoku 12x12 - Medium - Volume 17 - 276 Puzzles
Hidoku Mixed Grids - Medium - Volume 3 - 156 Logic Puzzles
Killer Sudoku 9x9 - Easy - Volume 2 - 270 Puzzles
Sudoku For Kids Mixed Grids - Easy to Extreme - Volume 3 - 145 Puzzles
Mega Sudoku 16x16 - Medium - Volume 31 - 276 Puzzles
Tridoku - Easy - Volume 2 - 276 Puzzles
Wordoku For Kids 8x8 - Easy to Hard - Volume 2 - 145 Puzzles
Sudoku Travel Pocket Size Book 5 - 120 Extreme Logic Puzzles For On-The-Go Holiday Fun
I Love You Sudoku - 276 Logic Puzzles
Hoshi Sudoku - Easy to Extreme - Volume 1 - 276 Puzzles
