Hidoku Mixed Grids Deluxe - Easy to Hard - Volume 5 - 255 Logic Puzzles
Hidoku Mixed Grids - Easy to Hard - Volume 1 - 156 Puzzles
Hidoku Mixed Grids - Hard - Volume 4 - 156 Logic Puzzles
Hidoku Mixed Grids - Easy - Volume 2 - 156 Logic Puzzles
Hidoku Mixed Grids - Medium - Volume 3 - 156 Logic Puzzles
Non-Consecutive Sudoku Large Print - Easy to Extreme - Volume 6 - 276 Logic Puzzles
Battleship Solitaire 14x14 Deluxe - Volume 3 - 468 Logic Puzzles
Binary Puzzles Mixed Grids - Hard - Volume 4 - 276 Puzzles
Futoshiki Mixed Grids Large Print - Easy to Hard - Volume 5 - 276 Puzzles
Hoshi Sudoku - Extreme - Volume 5 - 276 Puzzles
Star Sudoku - Hard - Volume 4 - 276 Logic Puzzles
Sudoku Mixed Grids Large Print - Easy to Extreme - Volume 41 - 267 Puzzles
Hoshi Sudoku - Hard - Volume 4 - 276 Puzzles
Killer Sudoku 9x9 - Hard - Volume 4 - 270 Puzzles
Mini Sudoku 6x6 - Medium - Volume 45 - 276 Puzzles
Hitori Mixed Grids - Volume 1 - 159 Puzzles
Classic Sudoku For Kids 9x9 - Easy to Extreme - Volume 8 - 145 Logic Puzzles
Large Sudoku 12x12 - Easy to Extreme - Volume 15 - 276 Puzzles
Daily Sudoku Puzzle Calendar 2015
CalcuDoku 9x9 Deluxe - Easy to Hard - Volume 12 - 468 Puzzles