Hidoku Mixed Grids - Easy to Hard - Volume 1 - 156 Puzzles
Hidoku Mixed Grids - Medium - Volume 3 - 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 - Easy - Volume 2 - 156 Logic Puzzles
Tridoku - Medium - Volume 3 - 276 Puzzles
Star Sudoku - Extreme - Volume 5 - 276 Logic Puzzles
Battleship Solitaire 14x14 - Volume 2 - 276 Logic Puzzles
Sudoku 15x15 - Easy to Extreme - Volume 22 - 276 Puzzles
Futoshiki 9x9 Large Print - Easy to Hard - Volume 11 - 276 Puzzles
Jigsaw Sudoku 12x12 Deluxe - Easy to Extreme - Volume 21 - 468 Puzzles
Sudoku X 12x12 - Hard to Extreme - Volume 8 - 276 Puzzles
Tridoku - Hard - Volume 4 - 276 Puzzles
Jigsaw Sudoku 10x10 Deluxe - Easy to Extreme - Volume 14 - 468 Puzzles
Futoshiki Mixed Grids - Hard - Volume 4 - 276 Puzzles
Numbricks Mixed Grids Deluxe - Easy to Hard - Volume 6 - 474 Puzzles
Killer Sudoku 10x10 - Easy - Volume 8 - 267 Puzzles
Samurai Sudoku - Easy to Extreme - Volume 1 - 159 Puzzles
CalcuDoku 9x9 Deluxe - Easy to Hard - Volume 12 - 468 Puzzles
Hoshi Sudoku - Medium - Volume 3 - 276 Puzzles