Hidoku Mixed Grids - Medium - Volume 3 - 156 Logic Puzzles
Hidoku Mixed Grids - Hard - Volume 4 - 156 Logic Puzzles
Hidoku Mixed Grids - Easy - Volume 2 - 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
Mini Sudoku 6x6 - Hard - Volume 46 - 276 Puzzles
Flower Sudoku - Easy - Volume 2 - 276 Logic Puzzles
Mega Sudoku 16x16 - Hard - Volume 32 - 276 Puzzles
Mini Sudoku 6x6 - Easy to Hard - Volume 43 - 276 Puzzles
Anti-Knight Sudoku 15x15 - Easy to Extreme - Volume 4 - 276 Puzzles
Sudoku X 10x10 - Hard to Extreme - Volume 7 - 276 Puzzles
Heyawake Mixed Grids - Medium - Volume 3 - 276 Logic Puzzles
Sudoku For Kids 8x8 - Easy - Volume 4 - 145 Logic Puzzles
Nurikabe Mixed Grids Deluxe - Easy to Hard - Volume 6 - 474 Logic Puzzles
Killer Sudoku 9x9 Large Print - Easy to Hard - Volume 5 - 270 Puzzles
Numbricks Mixed Grids Deluxe - Easy to Hard - Volume 6 - 474 Puzzles
CalcuDoku 9x9 Large Print - Easy to Hard - Volume 11 - 276 Puzzles
Jigsaw Sudoku 12x12 - Extreme - Volume 19 - 276 Puzzles
Jigsaw Sudoku 9x9 - Hard - Volume 4 - 276 Puzzles
Sudoku 8x8 - Hard - Volume 51 - 276 Puzzles
