Hidoku Mixed Grids - Medium - Volume 3 - 156 Logic Puzzles
Hidoku Mixed Grids - Easy to Hard - Volume 1 - 156 Puzzles
Hidoku Mixed Grids Deluxe - Easy to Hard - Volume 5 - 255 Logic Puzzles
Hidoku Mixed Grids - Hard - Volume 4 - 156 Logic Puzzles
Hidoku Mixed Grids - Easy - Volume 2 - 156 Logic Puzzles
Mega Sudoku 16x16 - Easy - Volume 30 - 276 Puzzles
Futoshiki Mixed Grids - Hard - Volume 4 - 276 Puzzles
Shikaku Mixed Grids - Medium - Volume 3 - 159 Logic Puzzles
Jigsaw Sudoku 9x9 - Easy - Volume 2 - 276 Puzzles
Kakuro Mixed Grids Large Print - Volume 5 - 270 Logic Puzzles
Heyawake Mixed Grids - Easy to Hard - Volume 7 - 276 Logic Puzzles
Mini Sudoku 6x6 - Easy to Hard - Volume 43 - 276 Puzzles
Sudoku 15x15 Large Print - Easy to Extreme - Volume 27 - 276 Puzzles
Sudoku Mixed Grids Large Print - Easy to Extreme - Volume 41 - 267 Puzzles
Binary Puzzles 14x14 - Easy to Hard - Volume 7 - 276 Puzzles
Classic Sudoku For Kids 9x9 - Hard - Volume 15 - 145 Logic Puzzles
Killer Sudoku 12x12 - Easy to Hard - Volume 13 - 276 Puzzles
Heyawake Mixed Grids - Hard - Volume 10 - 276 Logic Puzzles
Futoshiki 9x9 - Hard - Volume 10 - 276 Puzzles
216 Blank Star Sudoku Grids