Hidoku Mixed Grids - Easy to Hard - Volume 1 - 156 Puzzles
Hidoku Mixed Grids - Easy - Volume 2 - 156 Logic Puzzles
Hidoku Mixed Grids Deluxe - Easy to Hard - Volume 5 - 255 Logic Puzzles
Hidoku Mixed Grids - Medium - Volume 3 - 156 Logic Puzzles
Hidoku Mixed Grids - Hard - Volume 4 - 156 Logic Puzzles
Wordoku 9x9 - Easy - Volume 6 - 276 Logic Puzzles
Sudoku For Kids Mixed Grids - Medium - Volume 19 - 145 Logic Puzzles
Mini Sudoku For Kids 6x6 Deluxe - Easy to Hard - Volume 12 - 333 Logic Puzzles
Non-Consecutive Sudoku - Medium - Volume 3 - 276 Logic Puzzles
Sudoku 10x10 Large Print - Easy to Extreme - Volume 13 - 276 Puzzles
Masyu Mixed Grids - Easy - Volume 2 - 276 Logic Puzzles
Consecutive Sudoku Deluxe - Easy to Extreme - Volume 7 - 468 Logic Puzzles
King-Sized Kakuro 22x22 Deluxe - Volume 4 - 249 Logic Puzzles
Sudoku Mixed Grids - Hard - Volume 39 - 282 Puzzles
Anti-King Sudoku 10x10 - Easy to Extreme - Volume 2 - 276 Puzzles
CalcuDoku 9x9 Deluxe - Hard - Volume 13 - 468 Logic Puzzles
Mini Sudoku 6x6 - Hard - Volume 46 - 276 Puzzles
Killer Sudoku For Kids 8x8 - Easy to Hard - Volume 2 - 141 Puzzles
Sudoku X 9x9 - Hard to Extreme - Volume 6 - 276 Puzzles
