Hidoku Mixed Grids - Easy to Hard - Volume 1 - 156 Puzzles
Hidoku Mixed Grids - Medium - Volume 3 - 156 Logic Puzzles
Hidoku Mixed Grids - Easy - Volume 2 - 156 Logic Puzzles
Hidoku Mixed Grids Deluxe - Easy to Hard - Volume 5 - 255 Logic Puzzles
Hidoku Mixed Grids - Hard - Volume 4 - 156 Logic Puzzles
CalcuDoku Mixed Grids Deluxe - Easy to Hard - Volume 6 - 468 Puzzles
Sudoku For Kids Mixed Grids - Hard - Volume 20 - 145 Logic Puzzles
Star Sudoku Large Print - Easy to Extreme - Volume 6 - 276 Logic Puzzles
Killer Sudoku Mixed Grids - Easy to Hard - Volume 19 - 276 Puzzles
Mega Sudoku 16x16 Large Print - Easy to Extreme - Volume 34 - 276 Puzzles
Futoshiki 9x9 Large Print - Easy to Hard - Volume 11 - 276 Puzzles
Daily Mega Sudoku 16x16 Puzzle Calendar 2017
Mega Sudoku 16x16 - Easy - Volume 30 - 276 Puzzles
CalcuDoku 9x9 - Hard - Volume 10 - 276 Puzzles
Heyawake Mixed Grids - Hard - Volume 4 - 276 Logic Puzzles
Consecutive Sudoku - Extreme - Volume 5 - 276 Logic Puzzles
Sudoku 10x10 Deluxe - Easy to Extreme - Volume 14 - 468 Puzzles
Tridoku - Extreme - Volume 5 - 276 Puzzles
Hoshi Sudoku Deluxe - Easy to Extreme - Volume 7 - 468 Puzzles
Jigsaw Sudoku 10x10 - Easy - Volume 9 - 276 Puzzles
