Shikaku Mixed Grids - Hard - Volume 4 - 159 Logic Puzzles
Shikaku Mixed Grids - Easy to Hard - Volume 1 - 156 Puzzles
Shikaku Mixed Grids - Medium - Volume 3 - 159 Logic Puzzles
Shikaku Mixed Grids Deluxe - Easy to Hard - Volume 5 - 255 Logic Puzzles
Shikaku Mixed Grids - Easy - Volume 2 - 159 Logic Puzzles
Sudoku For Kids Mixed Grids - Hard - Volume 20 - 145 Logic Puzzles
Classic Sudoku 9x9 Deluxe - Extreme - Volume 55 - 468 Logic Puzzles
Hyper Sudoku 9x9 - Easy to Extreme - Volume 1 - 276 Puzzles
Sudoku X 9x9 Deluxe - Hard - Volume 11 - 468 Logic Puzzles
King-Sized Kakuro Mixed Grids Deluxe - Volume 8 - 249 Logic Puzzles
Binary Puzzles 14x14 Large Print - Easy to Hard - Volume 11 - 276 Puzzles
Mini Sudoku 6x6 - Easy to Hard - Volume 43 - 276 Puzzles
Sudoku 8x8 Travel Pocket Size Book For Kids 2 - 120 Easy to Hard Logic Puzzles For On-The-Go Holiday Fun
Killer Sudoku Mixed Grids - Hard - Volume 22 - 276 Puzzles
Sudoku For Kids 8x8 - Easy to Hard - Volume 2 - 145 Puzzles
Mini Sudoku 6x6 - Medium - Volume 45 - 276 Puzzles
Frame Sudoku Large Print - Volume 2 - 276 Logic Puzzles
Hitori 30x30 Deluxe - Volume 4 - 255 Logic Puzzles
CalcuDoku Mixed Grids Deluxe - Hard - Volume 14 - 468 Logic Puzzles
CalcuDoku 9x9 - Hard - Volume 10 - 276 Puzzles
