Argyle Sudoku - Easy to Extreme - Volume 1 - 276 Puzzles
Star Sudoku - Easy - Volume 2 - 276 Logic Puzzles
Outside Sudoku - Medium - Volume 3 - 276 Puzzles
Consecutive Sudoku - Easy to Extreme - Volume 1 - 276 Logic Puzzles
Sudoku For Kids 8x8 - Easy to Hard - Volume 2 - 145 Puzzles
Jigsaw Sudoku for Kids 6x6 - Easy to Hard - Volume 1 - 145 Puzzles
Killer Sudoku 10x10 - Medium - Volume 9 - 267 Puzzles
Sudoku X 10x10 - Hard to Extreme - Volume 7 - 276 Puzzles
Samurai Sudoku - Medium - Volume 3 - 159 Puzzles
Sudoku Travel Pocket Size Book 7 - 120 Medium to Hard Logic Puzzles For On-The-Go Holiday Fun
Nurikabe Mixed Grids - Hard - Volume 4 - 276 Logic Puzzles
Sudoku Mixed Grids Large Print - Easy to Extreme - Volume 41 - 267 Puzzles
Mega Sudoku 16x16 - Easy - Volume 30 - 276 Puzzles
Sudoku Mixed Grids - Extreme - Volume 40 - 282 Puzzles
CalcuDoku 9x9 - Easy - Volume 8 - 276 Puzzles
Killer Sudoku For Kids 6x6 - Easy to Hard - Volume 1 - 145 Puzzles
Killer Sudoku 9x9 Large Print - Medium - Volume 26 - 270 Logic Puzzles
Jigsaw Sudoku for Kids 8x8 - Easy to Hard - Volume 2 - 145 Puzzles
Tridoku - Medium - Volume 3 - 276 Puzzles
Jigsaw Sudoku 10x10 - Hard - Volume 11 - 276 Puzzles
