Shikaku Mixed Grids - Medium - Volume 3 - 159 Logic Puzzles
Shikaku Mixed Grids Deluxe - Easy to Hard - Volume 5 - 255 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
Large Sudoku 12x12 - Hard - Volume 18 - 276 Puzzles
Sudoku X 15x15 - Easy to Extreme - Volume 4 - 276 Puzzles
Futoshiki Mixed Grids Deluxe - Hard - Volume 14 - 468 Logic Puzzles
Mini Sudoku For Kids 6x6 - Medium - Volume 10 - 145 Logic Puzzles
Anti Diagonal Sudoku 16x16 - Easy to Extreme - Volume 2 - 276 Puzzles
Star Sudoku - Hard - Volume 4 - 276 Logic Puzzles
Killer Sudoku For Kids 8x8 - Easy to Hard - Volume 2 - 141 Puzzles
Sudoku Mixed Grids Large Print - Easy to Extreme - Volume 41 - 267 Puzzles
Classic Sudoku 9x9 Travel Pocket Size Book For Kids 3 - 120 Easy to Hard Logic Puzzles For On-The-Go Holiday Fun
Sudoku 10x10 - Easy to Extreme - Volume 8 - 276 Puzzles
Large Sudoku 12x12 - Easy to Extreme - Volume 15 - 276 Puzzles
Anti-King Sudoku 15x15 - Easy to Extreme - Volume 4 - 276 Puzzles
Wordoku 16x16 - Easy to Extreme - Volume 5 - 276 Puzzles
Sudoku X 10x10 - Hard to Extreme - Volume 7 - 276 Puzzles
Huge Hashi Mixed Grids - Volume 1 - 159 Puzzles
