Shikaku Mixed Grids - Easy to Hard - Volume 1 - 156 Puzzles
Shikaku Mixed Grids - Medium - Volume 3 - 159 Logic Puzzles
Shikaku Mixed Grids - Easy - Volume 2 - 159 Logic Puzzles
Shikaku Mixed Grids Deluxe - Easy to Hard - Volume 5 - 255 Logic Puzzles
Shikaku Mixed Grids - Hard - Volume 4 - 159 Logic Puzzles
Nurikabe Mixed Grids - Easy - Volume 2 - 276 Logic Puzzles
Flower Sudoku - Hard - Volume 4 - 276 Logic Puzzles
Star Sudoku Deluxe - Easy to Extreme - Volume 7 - 468 Logic Puzzles
Futoshiki 9x9 Deluxe - Hard - Volume 13 - 468 Logic Puzzles
Hidoku Mixed Grids - Easy - Volume 2 - 156 Logic Puzzles
Flower Sudoku - Extreme - Volume 5 - 276 Logic Puzzles
Non-Consecutive Sudoku - Easy to Extreme - Volume 1 - 276 Logic Puzzles
Daily Tridoku Puzzle Calendar 2015
Killer Sudoku 9x9 - Easy to Hard - Volume 1 - 270 Puzzles
Killer Sudoku Mixed Grids Deluxe - Easy to Hard - Volume 24 - 474 Puzzles
Girandola Sudoku - Easy to Extreme - Volume 1 - 276 Puzzles
Classic Sudoku For Kids 9x9 - Extreme - Volume 16 - 145 Logic Puzzles
Classic Sudoku 9x9 Deluxe - Easy to Extreme - Volume 7 - 468 Puzzles
Minesweeper Mixed Grids - Easy - Volume 7 - 159 Logic Puzzles
Sudoku 15x15 - Hard - Volume 25 - 276 Puzzles
