Hidoku Mixed Grids - Hard - Volume 4 - 156 Logic Puzzles
Hidoku Mixed Grids Deluxe - Easy to Hard - Volume 5 - 255 Logic Puzzles
Hidoku Mixed Grids - Easy to Hard - Volume 1 - 156 Puzzles
Hidoku Mixed Grids - Medium - Volume 3 - 156 Logic Puzzles
Hidoku Mixed Grids - Easy - Volume 2 - 156 Logic Puzzles
CalcuDoku 9x9 - Hard - Volume 10 - 276 Puzzles
Samurai Sudoku - Extreme - Volume 5 - 159 Puzzles
Sudoku For Kids 8x8 - Medium - Volume 5 - 145 Logic Puzzles
Mini Sudoku 6x6 Travel Pocket Size Book For Kids 1 - 120 Easy to Hard Logic Puzzles For On-The-Go Holiday Fun
Large Sudoku 12x12 - Medium - Volume 17 - 276 Puzzles
Killer Sudoku Mixed Grids - Medium - Volume 21 - 276 Puzzles
Jigsaw Sudoku 9x9 - Extreme - Volume 5 - 276 Puzzles
Daily Sudoku For Kids 6x6 Puzzle Calendar 2016
Kakuro Mixed Grids - Volume 6 - 270 Logic Puzzles
Classic Sudoku For Kids 9x9 - Medium - Volume 14 - 145 Logic Puzzles
Non-Consecutive Sudoku Large Print - Easy to Extreme - Volume 6 - 276 Logic Puzzles
Classic Sudoku 9x9 - Easy - Volume 2 - 276 Puzzles
Jigsaw Sudoku 10x10 - Easy to Extreme - Volume 8 - 276 Puzzles
Binary Puzzles 14x14 - Medium - Volume 9 - 276 Puzzles
Killer Sudoku 12x12 - Medium - Volume 15 - 276 Puzzles
