Shikaku Mixed Grids Deluxe - Easy to Hard - Volume 5 - 255 Logic Puzzles
Shikaku Mixed Grids - Medium - Volume 3 - 159 Logic Puzzles
Shikaku Mixed Grids - Hard - Volume 4 - 159 Logic Puzzles
Shikaku Mixed Grids - Easy - Volume 2 - 159 Logic Puzzles
Shikaku Mixed Grids - Easy to Hard - Volume 1 - 156 Puzzles
Classic Sudoku For Kids 9x9 - Easy to Extreme - Volume 8 - 145 Logic Puzzles
Large Sudoku 12x12 - Hard - Volume 18 - 276 Puzzles
Star Sudoku - Easy - Volume 2 - 276 Logic Puzzles
Sudoku Travel Pocket Size Book 3 - 120 Medium Logic Puzzles For On-The-Go Holiday Fun
Numbricks Mixed Grids - Easy - Volume 2 - 276 Puzzles
Killer Sudoku Mixed Grids - Medium - Volume 21 - 276 Puzzles
Killer Sudoku 12x12 - Hard - Volume 16 - 276 Puzzles
Samurai Sudoku - Hard - Volume 4 - 159 Puzzles
CalcuDoku Mixed Grids Deluxe - Easy to Hard - Volume 6 - 468 Puzzles
Sudoku Mixed Grids - Hard - Volume 39 - 282 Puzzles
Classic Sudoku 9x9 - Medium to Hard - Volume 63 - 276 Logic Puzzles
Anti-Knight Sudoku 10x10 - Easy to Extreme - Volume 2 - 276 Puzzles
Huge Hashi 30x30 Deluxe - Volume 4 - 255 Logic Puzzles
Classic Sudoku 9x9 Travel Pocket Size Book For Kids 3 - 120 Easy to Hard Logic Puzzles For On-The-Go Holiday Fun
