Hidoku Mixed Grids - Hard - Volume 4 - 156 Logic Puzzles
Hidoku Mixed Grids - Easy - Volume 2 - 156 Logic Puzzles
Hidoku Mixed Grids - Easy to Hard - Volume 1 - 156 Puzzles
Hidoku Mixed Grids Deluxe - Easy to Hard - Volume 5 - 255 Logic Puzzles
Hidoku Mixed Grids - Medium - Volume 3 - 156 Logic Puzzles
Mini Sudoku For Kids 6x6 - Easy to Hard - Volume 1 - 145 Puzzles
Star Sudoku - Medium - Volume 3 - 276 Logic Puzzles
Sudoku Mixed Grids Deluxe - Extreme - Volume 61 - 476 Logic Puzzles
Jigsaw Sudoku 9x9 Deluxe - Hard - Volume 22 - 468 Logic Puzzles
CalcuDoku 9x9 Large Print - Easy to Hard - Volume 11 - 276 Puzzles
Sudoku Travel Pocket Size Book 3 - 120 Medium Logic Puzzles For On-The-Go Holiday Fun
Sudoku 15x15 - Hard - Volume 25 - 276 Puzzles
Hoshi Sudoku - Extreme - Volume 5 - 276 Puzzles
Heyawake Mixed Grids - Hard - Volume 10 - 276 Logic Puzzles
Outside Sudoku Deluxe - Easy to Extreme - Volume 7 - 468 Puzzles
Outside Sudoku - Easy - Volume 2 - 276 Puzzles
Jigsaw Sudoku 9x9 Deluxe - Extreme - Volume 23 - 468 Logic Puzzles
CalcuDoku 9x9 Deluxe - Hard - Volume 13 - 468 Logic Puzzles
Battleship Solitaire 14x14 - Volume 1 - 276 Logic Puzzles
Sudoku 8x8 - Medium - Volume 50 - 276 Puzzles
