Hidoku Mixed Grids - Easy to Hard - Volume 1 - 156 Puzzles
Hidoku Mixed Grids - Easy - Volume 2 - 156 Logic Puzzles
Hidoku Mixed Grids - Hard - Volume 4 - 156 Logic Puzzles
Hidoku Mixed Grids Deluxe - Easy to Hard - Volume 5 - 255 Logic Puzzles
Hidoku Mixed Grids - Medium - Volume 3 - 156 Logic Puzzles
Sudoku Mixed Grids - Extreme - Volume 40 - 282 Puzzles
Futoshiki Mixed Grids Large Print - Easy to Hard - Volume 5 - 276 Puzzles
CalcuDoku Mixed Grids - Hard - Volume 4 - 276 Puzzles
Shikaku Mixed Grids Deluxe - Easy to Hard - Volume 5 - 255 Logic Puzzles
CalcuDoku For Kids Mixed Grids - Easy to Hard - Volume 1 - 145 Puzzles
Heyawake Mixed Grids Large Print - Easy to Hard - Volume 5 - 276 Logic Puzzles
Star Sudoku - Medium - Volume 3 - 276 Logic Puzzles
Consecutive Sudoku - Easy - Volume 2 - 276 Logic Puzzles
Minesweeper Mixed Grids - Easy - Volume 7 - 159 Logic Puzzles
Masyu Mixed Grids - Hard - Volume 4 - 276 Logic Puzzles
Killer Sudoku 9x9 - Medium - Volume 3 - 270 Puzzles
Sudoku For Kids 8x8 - Hard - Volume 6 - 145 Logic Puzzles
Sudoku 15x15 - Hard - Volume 25 - 276 Puzzles
Consecutive Sudoku - Extreme - Volume 5 - 276 Logic Puzzles
Sudoku 15x15 - Easy - Volume 23 - 276 Puzzles
