Consecutive Sudoku - Extreme - Volume 5 - 276 Logic Puzzles
Consecutive Sudoku - Easy - Volume 2 - 276 Logic Puzzles
Consecutive Sudoku Deluxe - Easy to Extreme - Volume 7 - 468 Logic Puzzles
Consecutive Sudoku - Medium - Volume 3 - 276 Logic Puzzles
Consecutive Sudoku - Easy to Extreme - Volume 1 - 276 Logic Puzzles
Consecutive Sudoku Large Print - Easy to Extreme - Volume 6 - 276 Logic Puzzles
Consecutive Sudoku - Hard - Volume 4 - 276 Logic Puzzles
Hidoku Mixed Grids Deluxe - Easy to Hard - Volume 5 - 255 Logic Puzzles
Sudoku For Kids 8x8 - Easy to Hard - Volume 2 - 145 Puzzles
Girandola Sudoku - Easy to Extreme - Volume 1 - 276 Puzzles
Tridoku - Hard - Volume 4 - 276 Puzzles
Heyawake Mixed Grids - Hard - Volume 4 - 276 Logic Puzzles
Sudoku 8x8 - Hard - Volume 51 - 276 Puzzles
Large Sudoku 12x12 - Easy - Volume 16 - 276 Puzzles
Killer Sudoku For Kids 6x6 - Easy to Hard - Volume 1 - 145 Puzzles
Huge Hashi Mixed Grids - Volume 1 - 159 Puzzles
Mini Sudoku 6x6 - Medium - Volume 45 - 276 Puzzles
Heyawake Mixed Grids - Easy to Hard - Volume 1 - 276 Logic Puzzles
Sudoku 15x15 - Easy to Extreme - Volume 22 - 276 Puzzles