Argyle Sudoku - Easy to Extreme - Volume 1 - 276 Puzzles
Hidoku Mixed Grids - Easy - Volume 2 - 156 Logic Puzzles
Shikaku Mixed Grids - Hard - Volume 4 - 159 Logic Puzzles
Anti-Knight Sudoku 15x15 - Easy to Extreme - Volume 4 - 276 Puzzles
King-Sized Kakuro 21x21 Deluxe - Volume 10 - 249 Logic Puzzles
Anti-King Sudoku 10x10 - Easy to Extreme - Volume 2 - 276 Puzzles
Killer Sudoku 9x9 - Hard - Volume 4 - 270 Puzzles
Futoshiki Mixed Grids - Hard - Volume 4 - 276 Puzzles
Tridoku - Easy - Volume 2 - 276 Puzzles
Killer Sudoku Mixed Grids - Medium - Volume 21 - 276 Puzzles
Large Sudoku 12x12 - Extreme - Volume 19 - 276 Puzzles
Binary Puzzles 14x14 Large Print - Easy to Hard - Volume 11 - 276 Puzzles
216 Blank Sudoku 15x15 Grids
Sudoku Mixed Grids - Hard - Volume 39 - 282 Puzzles
Sudoku X 16x16 - Easy to Extreme - Volume 5 - 276 Puzzles
Sudoku 8x8 - Hard - Volume 51 - 276 Puzzles
Killer Sudoku 10x10 - Easy to Hard - Volume 7 - 267 Puzzles
Futoshiki 9x9 - Hard - Volume 10 - 276 Puzzles
Non-Consecutive Sudoku - Medium - Volume 3 - 276 Logic Puzzles
Wordoku 10x10 - Easy to Extreme - Volume 2 - 276 Puzzles
