Argyle Sudoku - Easy to Extreme - Volume 1 - 276 Puzzles
Non-Consecutive Sudoku - Extreme - Volume 5 - 276 Logic Puzzles
CalcuDoku 9x9 - Medium - Volume 9 - 276 Puzzles
CalcuDoku Mixed Grids - Hard - Volume 4 - 276 Puzzles
Tridoku - Easy - Volume 2 - 276 Puzzles
Killer Sudoku 10x10 - Hard - Volume 10 - 267 Puzzles
Jigsaw Sudoku 9x9 - Hard - Volume 4 - 276 Puzzles
Classic Sudoku 9x9 - Hard - Volume 4 - 276 Puzzles
Shikaku Mixed Grids Deluxe - Easy to Hard - Volume 5 - 255 Logic Puzzles
Sudoku X 9x9 Deluxe - Hard - Volume 11 - 468 Logic Puzzles
Slitherlink Mixed Grids - Easy to Hard - Volume 1 - 276 Puzzles
Sudoku 10x10 Large Print - Easy to Extreme - Volume 13 - 276 Puzzles
Futoshiki Mixed Grids Deluxe - Hard - Volume 14 - 468 Logic Puzzles
Sudoku X 10x10 - Hard to Extreme - Volume 7 - 276 Puzzles
King-Sized Kakuro 21x21 - Volume 9 - 153 Logic Puzzles
Futoshiki Mixed Grids - Easy to Hard - Volume 1 - 276 Puzzles
Numbricks Mixed Grids Large Print - Easy - Volume 8 - 276 Logic Puzzles
Heyawake Mixed Grids - Medium - Volume 3 - 276 Logic Puzzles
Star Sudoku Large Print - Easy to Extreme - Volume 6 - 276 Logic Puzzles
Frame Sudoku Large Print - Volume 2 - 276 Logic Puzzles
