Argyle Sudoku - Easy to Extreme - Volume 1 - 276 Puzzles
Samurai Sudoku Deluxe - Extreme - Volume 9 - 255 Logic Puzzles
Binary Puzzles Mixed Grids Deluxe - Easy to Hard - Volume 6 - 474 Puzzles
Numbricks Mixed Grids - Easy to Hard - Volume 1 - 276 Puzzles
Killer Sudoku Mixed Grids - Easy - Volume 20 - 276 Puzzles
Futoshiki Mixed Grids - Easy to Hard - Volume 1 - 276 Puzzles
Wordoku 9x9 - Easy - Volume 6 - 276 Logic Puzzles
Slitherlink Mixed Grids - Medium - Volume 3 - 276 Puzzles
Killer Sudoku 12x12 - Hard - Volume 16 - 276 Puzzles
Daily Tridoku Puzzle Calendar 2015
Battleship Solitaire 14x14 Deluxe - Volume 3 - 468 Logic Puzzles
Binary Puzzles 14x14 Deluxe - Easy to Hard - Volume 12 - 468 Puzzles
Heyawake Mixed Grids - Medium - Volume 9 - 276 Logic Puzzles
Daily CalcuDoku Puzzle Calendar 2015
Mega Sudoku 16x16 Deluxe - Extreme - Volume 56 - 468 Logic Puzzles
CalcuDoku For Kids Mixed Grids - Easy to Hard - Volume 1 - 145 Puzzles
Killer Sudoku 12x12 Deluxe - Easy to Hard - Volume 18 - 468 Puzzles
Heyawake Mixed Grids Deluxe - Easy to Hard - Volume 6 - 474 Logic Puzzles
Sudoku 8x8 - Medium - Volume 50 - 276 Puzzles
Mini Sudoku 6x6 - Hard - Volume 46 - 276 Puzzles
