Shikaku Mixed Grids - Medium - Volume 3 - 159 Logic Puzzles
Shikaku Mixed Grids - Easy - Volume 2 - 159 Logic Puzzles
Shikaku Mixed Grids - Easy to Hard - Volume 1 - 156 Puzzles
Shikaku Mixed Grids Deluxe - Easy to Hard - Volume 5 - 255 Logic Puzzles
Shikaku Mixed Grids - Hard - Volume 4 - 159 Logic Puzzles
Anti-Knight Sudoku 9x9 - Easy to Extreme - Volume 1 - 276 Puzzles
Non-Consecutive Sudoku - Easy to Extreme - Volume 1 - 276 Logic Puzzles
Classic Sudoku For Kids 9x9 - Medium - Volume 14 - 145 Logic Puzzles
Killer Sudoku 12x12 - Hard - Volume 16 - 276 Puzzles
Slitherlink Mixed Grids - Hard - Volume 4 - 276 Puzzles
Jigsaw Sudoku 10x10 - Easy to Extreme - Volume 8 - 276 Puzzles
Outside Sudoku - Medium - Volume 3 - 276 Puzzles
Killer Sudoku For Kids 6x6 - Easy to Hard - Volume 1 - 145 Puzzles
Samurai Sudoku - Easy - Volume 2 - 159 Puzzles
Hoshi Sudoku - Extreme - Volume 5 - 276 Puzzles
Killer Sudoku 12x12 - Easy to Hard - Volume 13 - 276 Puzzles
Large Sudoku 12x12 Large Print - Easy to Extreme - Volume 20 - 276 Puzzles
Killer Sudoku 10x10 - Medium - Volume 9 - 267 Puzzles
Anti-Knight Sudoku 16x16 - Easy to Extreme - Volume 5 - 276 Puzzles
Sudoku 15x15 Large Print - Easy to Extreme - Volume 27 - 276 Puzzles
