Argyle Sudoku - Easy to Extreme - Volume 1 - 276 Puzzles
Jigsaw Sudoku 9x9 Deluxe - Extreme - Volume 23 - 468 Logic Puzzles
Jigsaw Sudoku 12x12 Large Print - Easy to Extreme - Volume 20 - 276 Puzzles
Hidoku Mixed Grids Deluxe - Easy to Hard - Volume 5 - 255 Logic Puzzles
Killer Sudoku 9x9 - Easy - Volume 2 - 270 Puzzles
Sudoku For Kids 8x8 Deluxe - Easy to Hard - Volume 7 - 333 Logic Puzzles
Classic Sudoku For Kids 9x9 - Extreme - Volume 16 - 145 Logic Puzzles
Nurikabe Mixed Grids - Easy to Hard - Volume 7 - 276 Logic Puzzles
Killer Sudoku 12x12 - Medium - Volume 15 - 276 Puzzles
Hoshi Sudoku - Medium - Volume 3 - 276 Puzzles
Killer Sudoku 12x12 - Hard - Volume 16 - 276 Puzzles
Jigsaw Sudoku for Kids 8x8 - Easy to Hard - Volume 2 - 145 Puzzles
Sudoku X 9x9 Deluxe - Extreme - Volume 12 - 468 Logic Puzzles
Nurikabe Mixed Grids - Hard - Volume 10 - 276 Logic Puzzles
Flower Sudoku - Medium - Volume 3 - 276 Logic Puzzles
Mega Sudoku 16x16 - Hard - Volume 32 - 276 Puzzles
Heyawake Mixed Grids - Easy - Volume 2 - 276 Logic Puzzles
CalcuDoku 9x9 - Medium - Volume 9 - 276 Puzzles
Killer Sudoku 10x10 Large Print - Easy to Hard - Volume 11 - 267 Puzzles
Samurai Sudoku - Medium - Volume 3 - 159 Puzzles
