Shikaku Mixed Grids - Easy to Hard - Volume 1 - 156 Puzzles
Shikaku Mixed Grids - Hard - Volume 4 - 159 Logic Puzzles
Shikaku Mixed Grids Deluxe - Easy to Hard - Volume 5 - 255 Logic Puzzles
Shikaku Mixed Grids - Easy - Volume 2 - 159 Logic Puzzles
Shikaku Mixed Grids - Medium - Volume 3 - 159 Logic Puzzles
Sudoku X 9x9 - Hard to Extreme - Volume 6 - 276 Puzzles
Classic Sudoku 9x9 - Easy to Extreme - Volume 1 - 276 Puzzles
Outside Sudoku Large Print - Easy to Extreme - Volume 6 - 276 Puzzles
Star Sudoku - Hard - Volume 4 - 276 Logic Puzzles
Hoshi Sudoku - Easy - Volume 2 - 276 Puzzles
Minesweeper Mixed Grids - Medium - Volume 8 - 159 Logic Puzzles
Anti-King Sudoku 15x15 - Easy to Extreme - Volume 4 - 276 Puzzles
Heyawake Mixed Grids Deluxe - Easy to Hard - Volume 6 - 474 Logic Puzzles
Killer Sudoku 9x9 Large Print - Easy - Volume 25 - 270 Logic Puzzles
Star Sudoku - Extreme - Volume 5 - 276 Logic Puzzles
King-Sized Kakuro Mixed Grids Deluxe - Volume 2 - 249 Puzzles
Heyawake Mixed Grids - Hard - Volume 10 - 276 Logic Puzzles
Masyu Mixed Grids - Hard - Volume 4 - 276 Logic Puzzles
Sudoku For Kids Mixed Grids - Hard - Volume 20 - 145 Logic Puzzles
Killer Sudoku 12x12 - Medium - Volume 15 - 276 Puzzles
