Hidoku Mixed Grids - Easy to Hard - Volume 1 - 156 Puzzles
Hidoku Mixed Grids - Easy - Volume 2 - 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 - Hard - Volume 4 - 156 Logic Puzzles
Binary Puzzles Mixed Grids - Easy - Volume 2 - 276 Puzzles
Sudoku 8x8 - Medium - Volume 50 - 276 Puzzles
CalcuDoku 9x9 Deluxe - Hard - Volume 13 - 468 Logic Puzzles
Jigsaw Sudoku 12x12 - Easy - Volume 16 - 276 Puzzles
Killer Sudoku For Kids 8x8 - Easy to Hard - Volume 2 - 141 Puzzles
Flower Sudoku - Easy to Extreme - Volume 1 - 276 Logic Puzzles
Nurikabe Mixed Grids - Medium - Volume 9 - 276 Logic Puzzles
Non-Consecutive Sudoku - Extreme - Volume 5 - 276 Logic Puzzles
Heyawake Mixed Grids - Hard - Volume 4 - 276 Logic Puzzles
Classic Sudoku For Kids 9x9 - Hard - Volume 15 - 145 Logic Puzzles
Outside Sudoku - Medium - Volume 3 - 276 Puzzles
Futoshiki Mixed Grids - Medium - Volume 3 - 276 Puzzles
Binary Puzzles Mixed Grids Deluxe - Easy to Hard - Volume 6 - 474 Puzzles
Classic Sudoku 9x9 Travel Pocket Size Book For Kids 3 - 120 Easy to Hard Logic Puzzles For On-The-Go Holiday Fun
