Shikaku Mixed Grids - Easy to Hard - Volume 1 - 156 Puzzles
Shikaku Mixed Grids - Medium - Volume 3 - 159 Logic Puzzles
Shikaku Mixed Grids Deluxe - Easy to Hard - Volume 5 - 255 Logic Puzzles
Shikaku Mixed Grids - Hard - Volume 4 - 159 Logic Puzzles
Shikaku Mixed Grids - Easy - Volume 2 - 159 Logic Puzzles
Wordoku 9x9 - Easy to Extreme - Volume 1 - 276 Puzzles
Futoshiki 9x9 - Medium - Volume 9 - 276 Puzzles
Classic Sudoku For Kids 9x9 - Easy to Extreme - Volume 8 - 145 Logic Puzzles
CalcuDoku For Kids Mixed Grids - Easy to Hard - Volume 1 - 145 Puzzles
Heyawake Mixed Grids Deluxe - Easy to Hard - Volume 12 - 474 Logic Puzzles
Center Dot Sudoku - Easy to Extreme - Volume 1 - 276 Puzzles
Classic Sudoku 9x9 - Medium to Hard - Volume 63 - 276 Logic Puzzles
Classic Sudoku For Kids 9x9 Deluxe - Easy to Extreme - Volume 17 - 333 Logic Puzzles
Sudoku X 12x12 - Easy to Extreme - Volume 3 - 276 Puzzles
Killer Sudoku 9x9 - Easy - Volume 2 - 270 Puzzles
Sudoku X 9x9 Deluxe - Extreme - Volume 12 - 468 Logic Puzzles
Wordoku 10x10 - Easy to Extreme - Volume 2 - 276 Puzzles
Killer Sudoku For Kids 6x6 - Easy to Hard - Volume 1 - 145 Puzzles
Sudoku 8x8 - Easy to Hard - Volume 48 - 276 Puzzles
Anti-Knight Sudoku 9x9 - Easy to Extreme - Volume 1 - 276 Puzzles
