Argyle Sudoku - Easy to Extreme - Volume 1 - 276 Puzzles
Jigsaw Sudoku 12x12 - Easy to Extreme - Volume 15 - 276 Puzzles
Jigsaw Sudoku 9x9 - Easy - Volume 2 - 276 Puzzles
Jigsaw Sudoku 9x9 Large Print - Easy to Extreme - Volume 6 - 276 Puzzles
Shikaku Mixed Grids - Easy - Volume 2 - 159 Logic Puzzles
Happy Birthday Sudoku - Volume 2 - 276 Logic Puzzles
Daily Kakuro Puzzle Calendar 2015
Samurai Sudoku - Extreme - Volume 5 - 159 Puzzles
Hidoku Mixed Grids - Easy to Hard - Volume 1 - 156 Puzzles
Classic Sudoku 9x9 - Hard - Volume 4 - 276 Puzzles
Nurikabe Mixed Grids - Medium - Volume 3 - 276 Logic Puzzles
Girandola Sudoku - Easy to Extreme - Volume 1 - 276 Puzzles
Futoshiki Mixed Grids Deluxe - Easy to Hard - Volume 6 - 474 Puzzles
Classic Sudoku 9x9 Large Print - Easy to Extreme - Volume 6 - 276 Puzzles
Daily Mega Sudoku 16x16 Puzzle Calendar 2015
Shikaku Mixed Grids - Easy to Hard - Volume 1 - 156 Puzzles
Futoshiki Mixed Grids - Hard - Volume 4 - 276 Puzzles
Large Sudoku 12x12 Large Print - Easy to Extreme - Volume 20 - 276 Puzzles
Killer Sudoku 9x9 Deluxe - Easy to Hard - Volume 6 - 462 Puzzles
Futoshiki 9x9 Deluxe - Hard - Volume 13 - 468 Logic Puzzles
