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 - Hard - Volume 4 - 159 Logic Puzzles
Shikaku Mixed Grids - Easy - Volume 2 - 159 Logic Puzzles
CalcuDoku Mixed Grids Large Print - Easy to Hard - Volume 5 - 276 Puzzles
Sudoku For Kids Mixed Grids Deluxe - Easy to Extreme - Volume 21 - 333 Logic Puzzles
Sudoku For Kids 8x8 - Easy - Volume 4 - 145 Logic Puzzles
CalcuDoku 9x9 - Medium - Volume 9 - 276 Puzzles
Minesweeper Mixed Grids - Hard - Volume 9 - 159 Logic Puzzles
Killer Sudoku Mixed Grids - Hard - Volume 22 - 276 Puzzles
Binary Puzzles 14x14 - Easy - Volume 8 - 276 Puzzles
Hidoku Mixed Grids - Hard - Volume 4 - 156 Logic Puzzles
CalcuDoku Mixed Grids - Hard - Volume 4 - 276 Puzzles
Sudoku Travel Pocket Size Book 7 - 120 Medium to Hard Logic Puzzles For On-The-Go Holiday Fun
Jigsaw Sudoku 12x12 - Easy - Volume 16 - 276 Puzzles
Numbricks Mixed Grids - Hard - Volume 4 - 276 Puzzles
Mini Sudoku For Kids 6x6 - Easy to Hard - Volume 1 - 145 Puzzles
King-Sized Kakuro Mixed Grids Deluxe - Volume 2 - 249 Puzzles
Binary Puzzles 14x14 Deluxe - Easy to Hard - Volume 12 - 468 Puzzles
