Shikaku Mixed Grids - Medium - Volume 3 - 159 Logic Puzzles
Shikaku Mixed Grids - Easy to Hard - Volume 1 - 156 Puzzles
Shikaku Mixed Grids - Easy - Volume 2 - 159 Logic Puzzles
Shikaku Mixed Grids - Hard - Volume 4 - 159 Logic Puzzles
Shikaku Mixed Grids Deluxe - Easy to Hard - Volume 5 - 255 Logic Puzzles
Sudoku For Kids Mixed Grids Deluxe - Easy to Extreme - Volume 21 - 333 Logic Puzzles
Sudoku 8x8 - Hard - Volume 51 - 276 Puzzles
Sudoku 15x15 - Extreme - Volume 26 - 276 Puzzles
Hoshi Sudoku - Medium - Volume 3 - 276 Puzzles
Killer Sudoku Mixed Grids Deluxe - Easy to Hard - Volume 24 - 474 Puzzles
Outside Sudoku - Easy - Volume 2 - 276 Puzzles
Killer Sudoku 9x9 - Medium - Volume 3 - 270 Puzzles
Killer Sudoku 10x10 - Easy - Volume 8 - 267 Puzzles
Tridoku Large Print - Easy to Extreme - Volume 6 - 276 Puzzles
Classic Sudoku 9x9 Deluxe - Extreme - Volume 55 - 468 Logic Puzzles
Sudoku 15x15 - Easy to Extreme - Volume 22 - 276 Puzzles
Anti-Knight Sudoku 15x15 - Easy to Extreme - Volume 4 - 276 Puzzles
Sudoku 8x8 - Medium - Volume 50 - 276 Puzzles
Killer Sudoku Mixed Grids - Easy - Volume 20 - 276 Puzzles
Heyawake Mixed Grids - Easy to Hard - Volume 1 - 276 Logic Puzzles
