Shikaku Mixed Grids - Medium - Volume 3 - 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 - Easy - Volume 2 - 159 Logic Puzzles
Shikaku Mixed Grids - Hard - Volume 4 - 159 Logic Puzzles
Frame Sudoku Deluxe - Volume 3 - 468 Logic Puzzles
Mega Sudoku 16x16 - Easy - Volume 30 - 276 Puzzles
Sudoku 10x10 Large Print - Easy to Extreme - Volume 13 - 276 Puzzles
Jigsaw Sudoku 9x9 Deluxe - Hard - Volume 22 - 468 Logic Puzzles
Large Sudoku 12x12 - Easy to Extreme - Volume 15 - 276 Puzzles
Mega Sudoku 16x16 - Hard - Volume 32 - 276 Puzzles
Kakuro Mixed Grids - Volume 6 - 270 Logic Puzzles
Jigsaw Sudoku 10x10 - Extreme - Volume 12 - 276 Puzzles
Wordoku 9x9 Large Print - Easy to Extreme - Volume 10 - 276 Logic Puzzles
Samurai Sudoku - Easy - Volume 2 - 159 Puzzles
Tridoku Large Print - Easy to Extreme - Volume 6 - 276 Puzzles
Sudoku 10x10 - Easy to Extreme - Volume 8 - 276 Puzzles
Killer Sudoku 12x12 - Medium - Volume 15 - 276 Puzzles
Sudoku 10x10 - Easy - Volume 9 - 276 Puzzles
Mini Sudoku 6x6 Deluxe - Easy to Hard - Volume 47 - 468 Puzzles