Shikaku Mixed Grids - Hard - Volume 4 - 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 - Medium - Volume 3 - 159 Logic Puzzles
Shikaku Mixed Grids - Easy - Volume 2 - 159 Logic Puzzles
Hyper Sudoku 16x16 - Easy to Extreme - Volume 2 - 276 Puzzles
Sudoku For Kids 8x8 - Medium - Volume 5 - 145 Logic Puzzles
Hidoku Mixed Grids - Easy to Hard - Volume 1 - 156 Puzzles
Nurikabe Mixed Grids - Hard - Volume 10 - 276 Logic Puzzles
Sudoku Mixed Grids - Extreme - Volume 40 - 282 Puzzles
Mini Sudoku For Kids 6x6 - Easy - Volume 9 - 145 Logic Puzzles
Mega Sudoku 16x16 - Easy to Extreme - Volume 29 - 276 Puzzles
Hidoku Mixed Grids Deluxe - Easy to Hard - Volume 5 - 255 Logic Puzzles
Numbricks Mixed Grids Deluxe - Easy to Hard - Volume 6 - 474 Puzzles
Outside Sudoku - Easy - Volume 2 - 276 Puzzles
Heyawake Mixed Grids Large Print - Easy to Hard - Volume 11 - 276 Logic Puzzles
Mega Sudoku 16x16 Deluxe - Extreme - Volume 56 - 468 Logic Puzzles
Killer Sudoku 9x9 - Easy - Volume 2 - 270 Puzzles
Large Sudoku 12x12 Large Print - Easy to Extreme - Volume 20 - 276 Puzzles
Sudoku Mixed Grids - Easy - Volume 37 - 282 Puzzles
