Shikaku Mixed Grids - Easy to Hard - Volume 1 - 156 Puzzles
Shikaku Mixed Grids - Hard - Volume 4 - 159 Logic 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 - Easy - Volume 2 - 159 Logic Puzzles
Frame Sudoku Deluxe - Volume 3 - 468 Logic Puzzles
CalcuDoku Mixed Grids Deluxe - Hard - Volume 14 - 468 Logic Puzzles
CalcuDoku 9x9 - Hard - Volume 10 - 276 Puzzles
Happy Birthday Sudoku - Volume 2 - 276 Logic Puzzles
Killer Sudoku For Kids 6x6 - Easy to Hard - Volume 1 - 145 Puzzles
Jigsaw Sudoku 9x9 - Easy - Volume 2 - 276 Puzzles
Futoshiki Mixed Grids Large Print - Easy to Hard - Volume 5 - 276 Puzzles
Anti-Knight Sudoku 16x16 - Easy to Extreme - Volume 5 - 276 Puzzles
Frame Sudoku Large Print - Volume 2 - 276 Logic Puzzles
Anti Diagonal Sudoku 16x16 - Easy to Extreme - Volume 2 - 276 Puzzles
Nurikabe Mixed Grids - Easy to Hard - Volume 1 - 276 Puzzles
Outside Sudoku - Easy to Extreme - Volume 1 - 276 Puzzles
Large Sudoku 12x12 - Easy - Volume 16 - 276 Puzzles
Classic Sudoku 9x9 Deluxe - Medium - Volume 53 - 468 Logic Puzzles
Large Sudoku 12x12 Deluxe - Easy to Extreme - Volume 21 - 468 Puzzles
