Shikaku Mixed Grids - Easy to Hard - Volume 1 - 156 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
Shikaku Mixed Grids - Hard - Volume 4 - 159 Logic Puzzles
CalcuDoku 9x9 Deluxe - Hard - Volume 13 - 468 Logic Puzzles
Outside Sudoku - Easy - Volume 2 - 276 Puzzles
Hoshi Sudoku - Easy - Volume 2 - 276 Puzzles
Killer Sudoku For Kids 8x8 - Easy to Hard - Volume 2 - 141 Puzzles
Jigsaw Sudoku 12x12 - Medium - Volume 17 - 276 Puzzles
Killer Sudoku 9x9 Large Print - Easy - Volume 25 - 270 Logic Puzzles
Minesweeper Mixed Grids - Easy to Hard - Volume 6 - 156 Logic Puzzles
Sudoku 10x10 Large Print - Easy to Extreme - Volume 13 - 276 Puzzles
Numbricks Mixed Grids Large Print - Easy to Hard - Volume 5 - 276 Puzzles
CalcuDoku 9x9 Deluxe - Easy to Hard - Volume 12 - 468 Puzzles
Jigsaw Sudoku 12x12 Large Print - Easy to Extreme - Volume 20 - 276 Puzzles
Binary Puzzles 14x14 - Hard - Volume 10 - 276 Puzzles
Mini Sudoku 6x6 - Easy - Volume 44 - 276 Puzzles
Killer Sudoku 9x9 - Easy - Volume 2 - 270 Puzzles
Sudoku X 15x15 - Easy to Extreme - Volume 4 - 276 Puzzles
