Argyle Sudoku - Easy to Extreme - Volume 1 - 276 Puzzles
Sudoku 15x15 - Hard - Volume 25 - 276 Puzzles
Flower Sudoku - Easy to Extreme - Volume 1 - 276 Logic Puzzles
Killer Sudoku Mixed Grids - Hard - Volume 22 - 276 Puzzles
Killer Sudoku For Kids 6x6 - Easy to Hard - Volume 1 - 145 Puzzles
Wordoku 9x9 - Hard - Volume 8 - 276 Logic Puzzles
Star Sudoku - Hard - Volume 4 - 276 Logic Puzzles
CalcuDoku 9x9 Large Print - Easy to Hard - Volume 11 - 276 Puzzles
Outside Sudoku - Extreme - Volume 5 - 276 Puzzles
King-Sized Kakuro 21x21 Deluxe - Volume 10 - 249 Logic Puzzles
Jigsaw Sudoku 9x9 - Hard - Volume 4 - 276 Puzzles
Jigsaw Sudoku 10x10 - Easy to Extreme - Volume 8 - 276 Puzzles
Nurikabe Mixed Grids Large Print - Easy to Hard - Volume 11 - 276 Logic Puzzles
Mega Sudoku 16x16 Deluxe - Easy to Extreme - Volume 35 - 468 Puzzles
Sudoku Travel Pocket Size Book 4 - 120 Hard Logic Puzzles For On-The-Go Holiday Fun
Mega Sudoku 16x16 - Extreme - Volume 33 - 276 Puzzles
Sudoku Mixed Grids Large Print - Easy to Extreme - Volume 41 - 267 Puzzles
Sudoku For Kids 8x8 - Hard - Volume 6 - 145 Logic Puzzles
Tridoku Deluxe - Easy to Extreme - Volume 7 - 468 Puzzles
Consecutive Sudoku Large Print - Easy to Extreme - Volume 6 - 276 Logic Puzzles
