Consecutive Sudoku - Hard - Volume 4 - 276 Logic Puzzles
Consecutive Sudoku - Easy to Extreme - Volume 1 - 276 Logic Puzzles
Consecutive Sudoku - Extreme - Volume 5 - 276 Logic Puzzles
Consecutive Sudoku Deluxe - Easy to Extreme - Volume 7 - 468 Logic Puzzles
Consecutive Sudoku - Easy - Volume 2 - 276 Logic Puzzles
Consecutive Sudoku Large Print - Easy to Extreme - Volume 6 - 276 Logic Puzzles
Consecutive Sudoku - Medium - Volume 3 - 276 Logic Puzzles
Killer Sudoku 9x9 - Easy - Volume 2 - 270 Puzzles
Frame Sudoku Deluxe - Volume 3 - 468 Logic Puzzles
CalcuDoku Mixed Grids Deluxe - Easy to Hard - Volume 6 - 468 Puzzles
Sudoku For Kids Mixed Grids - Hard - Volume 20 - 145 Logic Puzzles
Wordoku 9x9 - Extreme - Volume 9 - 276 Logic Puzzles
CalcuDoku 9x9 - Medium - Volume 9 - 276 Puzzles
Large Sudoku 12x12 - Extreme - Volume 19 - 276 Puzzles
Outside Sudoku Deluxe - Easy to Extreme - Volume 7 - 468 Puzzles
Heyawake Mixed Grids - Easy to Hard - Volume 7 - 276 Logic Puzzles
Outside Sudoku - Hard - Volume 4 - 276 Puzzles
Classic Sudoku For Kids 9x9 - Extreme - Volume 16 - 145 Logic Puzzles
Sudoku X 9x9 - Hard to Extreme - Volume 6 - 276 Puzzles
Girandola Sudoku - Easy to Extreme - Volume 1 - 276 Puzzles
