Hidoku Mixed Grids - Easy to Hard - Volume 1 - 156 Puzzles
Hidoku Mixed Grids - Hard - Volume 4 - 156 Logic Puzzles
Hidoku Mixed Grids Deluxe - Easy to Hard - Volume 5 - 255 Logic Puzzles
Hidoku Mixed Grids - Medium - Volume 3 - 156 Logic Puzzles
Hidoku Mixed Grids - Easy - Volume 2 - 156 Logic Puzzles
Jigsaw Sudoku 9x9 - Easy - Volume 2 - 276 Puzzles
Killer Sudoku 12x12 - Easy - Volume 14 - 276 Puzzles
CalcuDoku Mixed Grids Deluxe - Easy to Hard - Volume 6 - 468 Puzzles
Sudoku 15x15 - Easy - Volume 23 - 276 Puzzles
CalcuDoku 9x9 Deluxe - Hard - Volume 13 - 468 Logic Puzzles
Non-Consecutive Sudoku Deluxe - Easy to Extreme - Volume 7 - 468 Logic Puzzles
Daily Sudoku X 9x9 Puzzle Calendar 2016
Sudoku 15x15 - Extreme - Volume 26 - 276 Puzzles
Classic Sudoku 9x9 Deluxe - Hard - Volume 54 - 468 Logic Puzzles
Jigsaw Sudoku 10x10 - Hard - Volume 11 - 276 Puzzles
Jigsaw Sudoku 10x10 - Extreme - Volume 12 - 276 Puzzles
CalcuDoku Mixed Grids Large Print - Easy to Hard - Volume 5 - 276 Puzzles
Jigsaw Sudoku 10x10 - Medium - Volume 10 - 276 Puzzles
Anti-Knight Sudoku 10x10 - Easy to Extreme - Volume 2 - 276 Puzzles
