Argyle Sudoku - Easy to Extreme - Volume 1 - 276 Puzzles
Classic Sudoku For Kids 9x9 - Easy - Volume 13 - 145 Logic Puzzles
Binary Puzzles For Kids Mixed Grids - Easy to Hard - Volume 1 - 145 Puzzles
Minesweeper Mixed Grids - Medium - Volume 8 - 159 Logic Puzzles
Sudoku Mixed Grids - Hard - Volume 39 - 282 Puzzles
Killer Sudoku 12x12 - Easy - Volume 14 - 276 Puzzles
Wordoku 15x15 - Easy to Extreme - Volume 4 - 276 Puzzles
CalcuDoku Mixed Grids - Hard - Volume 4 - 276 Puzzles
Wordoku 9x9 - Hard - Volume 8 - 276 Logic Puzzles
Numbricks Mixed Grids - Medium - Volume 3 - 276 Puzzles
Hidoku Mixed Grids Deluxe - Easy to Hard - Volume 5 - 255 Logic Puzzles
King-Sized Kakuro Mixed Grids Deluxe - Volume 8 - 249 Logic Puzzles
Sudoku 15x15 Deluxe - Easy to Extreme - Volume 28 - 468 Puzzles
Daily Mega Sudoku 16x16 Puzzle Calendar 2015
Non-Consecutive Sudoku - Medium - Volume 3 - 276 Logic Puzzles
Flower Sudoku - Medium - Volume 3 - 276 Logic Puzzles
Shikaku Mixed Grids - Medium - Volume 3 - 159 Logic Puzzles
Jigsaw Sudoku 10x10 - Hard - Volume 11 - 276 Puzzles
Shikaku Mixed Grids Deluxe - Easy to Hard - Volume 5 - 255 Logic Puzzles
Heyawake Mixed Grids Deluxe - Easy to Hard - Volume 6 - 474 Logic Puzzles
