Argyle Sudoku - Easy to Extreme - Volume 1 - 276 Puzzles
CalcuDoku 9x9 - Hard - Volume 10 - 276 Puzzles
Heyawake Mixed Grids - Easy to Hard - Volume 1 - 276 Logic Puzzles
Hoshi Sudoku - Extreme - Volume 5 - 276 Puzzles
Jigsaw Sudoku 10x10 - Extreme - Volume 12 - 276 Puzzles
Jigsaw Sudoku 9x9 Deluxe - Extreme - Volume 23 - 468 Logic Puzzles
Futoshiki 9x9 Deluxe - Easy to Hard - Volume 12 - 468 Puzzles
Mini Sudoku For Kids 6x6 - Easy to Hard - Volume 1 - 145 Puzzles
CalcuDoku Mixed Grids - Hard - Volume 4 - 276 Puzzles
Hoshi Sudoku - Easy to Extreme - Volume 1 - 276 Puzzles
Large Sudoku 12x12 Deluxe - Easy to Extreme - Volume 21 - 468 Puzzles
King-Sized Kakuro 22x22 Deluxe - Volume 4 - 249 Logic Puzzles
Anti-Knight Sudoku 9x9 - Easy to Extreme - Volume 1 - 276 Puzzles
Sudoku X 9x9 - Hard to Extreme - Volume 6 - 276 Puzzles
Jigsaw Sudoku 12x12 - Medium - Volume 17 - 276 Puzzles
Wordoku 9x9 Deluxe - Easy to Extreme - Volume 11 - 468 Logic Puzzles
Sudoku Travel Pocket Size Book 2 - 120 Easy Logic Puzzles For On-The-Go Holiday Fun
Futoshiki Mixed Grids Deluxe - Easy to Hard - Volume 6 - 474 Puzzles
Classic Sudoku 9x9 - Hard - Volume 4 - 276 Puzzles
Binary Puzzles Mixed Grids - Easy to Hard - Volume 1 - 276 Puzzles
