Shikaku Mixed Grids - Easy to Hard - Volume 1 - 156 Puzzles
Shikaku Mixed Grids - Hard - Volume 4 - 159 Logic Puzzles
Shikaku Mixed Grids - Medium - Volume 3 - 159 Logic Puzzles
Shikaku Mixed Grids - Easy - Volume 2 - 159 Logic Puzzles
Shikaku Mixed Grids Deluxe - Easy to Hard - Volume 5 - 255 Logic Puzzles
Futoshiki 9x9 - Hard - Volume 10 - 276 Puzzles
Hoshi Sudoku - Easy - Volume 2 - 276 Puzzles
Hyper Sudoku 9x9 - Easy to Extreme - Volume 1 - 276 Puzzles
Killer Sudoku 10x10 - Easy - Volume 8 - 267 Puzzles
Sudoku For Kids Mixed Grids - Medium - Volume 19 - 145 Logic Puzzles
Nurikabe Mixed Grids - Easy - Volume 2 - 276 Logic Puzzles
Large Sudoku 12x12 - Hard - Volume 18 - 276 Puzzles
Mega Sudoku 16x16 - Medium - Volume 31 - 276 Puzzles
CalcuDoku Mixed Grids - Medium - Volume 3 - 276 Puzzles
Hoshi Sudoku - Extreme - Volume 5 - 276 Puzzles
Sudoku Travel Pocket Size Book 2 - 120 Easy Logic Puzzles For On-The-Go Holiday Fun
Mega Sudoku 16x16 Deluxe - Easy to Extreme - Volume 35 - 468 Puzzles
Anti-Knight Sudoku 15x15 - Easy to Extreme - Volume 4 - 276 Puzzles
King-Sized Kakuro Mixed Grids - Volume 7 - 153 Logic Puzzles
