Hidoku Mixed Grids - Easy to Hard - Volume 1 - 156 Puzzles
Hidoku Mixed Grids - Easy - Volume 2 - 156 Logic Puzzles
Hidoku Mixed Grids - Medium - Volume 3 - 156 Logic Puzzles
Hidoku Mixed Grids Deluxe - Easy to Hard - Volume 5 - 255 Logic Puzzles
Hidoku Mixed Grids - Hard - Volume 4 - 156 Logic Puzzles
Heyawake Mixed Grids - Hard - Volume 10 - 276 Logic Puzzles
Samurai Sudoku - Medium - Volume 3 - 159 Puzzles
Classic Sudoku 9x9 - Easy to Extreme - Volume 1 - 276 Puzzles
Samurai Sudoku Deluxe - Easy to Extreme - Volume 6 - 255 Puzzles
Masyu Mixed Grids Deluxe - Easy to Hard - Volume 6 - 474 Logic Puzzles
Heyawake Mixed Grids - Easy to Hard - Volume 7 - 276 Logic Puzzles
Numbricks 15x15 - Easy to Hard - Volume 11 - 276 Logic Puzzles
Binary Puzzles 14x14 Deluxe - Easy to Hard - Volume 12 - 468 Puzzles
Hitori Mixed Grids Deluxe - Volume 2 - 255 Logic Puzzles
Outside Sudoku - Easy to Extreme - Volume 1 - 276 Puzzles
Futoshiki 9x9 - Easy to Hard - Volume 7 - 276 Puzzles
Daily Samurai Sudoku Puzzle Calendar 2015
Numbricks Mixed Grids Deluxe - Easy to Hard - Volume 6 - 474 Puzzles
Daily Sudoku Puzzle Calendar 2017
Sudoku 15x15 - Easy to Extreme - Volume 22 - 276 Puzzles
