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 - Hard - Volume 4 - 156 Logic Puzzles
Hidoku Mixed Grids Deluxe - Easy to Hard - Volume 5 - 255 Logic Puzzles
Mega Sudoku 16x16 Large Print - Medium - Volume 58 - 276 Logic Puzzles
Classic Sudoku 9x9 Travel Pocket Size Book For Kids 3 - 120 Easy to Hard Logic Puzzles For On-The-Go Holiday Fun
Outside Sudoku - Easy - Volume 2 - 276 Puzzles
Classic Sudoku 9x9 - Extreme - Volume 5 - 276 Puzzles
Non-Consecutive Sudoku - Extreme - Volume 5 - 276 Logic Puzzles
Sudoku 10x10 - Easy - Volume 9 - 276 Puzzles
CalcuDoku Mixed Grids Deluxe - Hard - Volume 14 - 468 Logic Puzzles
Consecutive Sudoku - Extreme - Volume 5 - 276 Logic Puzzles
Classic Sudoku 9x9 - Easy - Volume 2 - 276 Puzzles
Heyawake Mixed Grids - Medium - Volume 3 - 276 Logic Puzzles
Samurai Sudoku - Easy - Volume 2 - 159 Puzzles
Sudoku 8x8 - Easy - Volume 49 - 276 Puzzles
Kakuro For Kids Mixed Grids - Volume 1 - 141 Puzzles
Heyawake Mixed Grids - Easy to Hard - Volume 7 - 276 Logic Puzzles
Slitherlink Mixed Grids - Easy to Hard - Volume 1 - 276 Puzzles
