Argyle Sudoku - Easy to Extreme - Volume 1 - 276 Puzzles
Samurai Sudoku - Medium - Volume 3 - 159 Puzzles
Futoshiki Mixed Grids Deluxe - Easy to Hard - Volume 6 - 474 Puzzles
Classic Sudoku 9x9 - Medium to Hard - Volume 63 - 276 Logic Puzzles
Samurai Sudoku Deluxe - Extreme - Volume 9 - 255 Logic Puzzles
Sudoku 15x15 Deluxe - Easy to Extreme - Volume 28 - 468 Puzzles
Hyper Sudoku 16x16 - Easy to Extreme - Volume 2 - 276 Puzzles
Wordoku 9x9 - Easy - Volume 6 - 276 Logic Puzzles
Mini Sudoku For Kids 6x6 - Hard - Volume 11 - 145 Logic Puzzles
Jigsaw Sudoku 9x9 - Hard - Volume 4 - 276 Puzzles
Heyawake Mixed Grids - Medium - Volume 9 - 276 Logic Puzzles
Wordoku 15x15 - Easy to Extreme - Volume 4 - 276 Puzzles
Killer Sudoku 9x9 - Hard - Volume 4 - 270 Puzzles
Hitori Mixed Grids Deluxe - Volume 2 - 255 Logic Puzzles
Mini Sudoku 6x6 - Easy to Hard - Volume 43 - 276 Puzzles
Sudoku For Kids 8x8 Deluxe - Easy to Hard - Volume 7 - 333 Logic Puzzles
Nurikabe Mixed Grids Deluxe - Easy to Hard - Volume 12 - 474 Logic Puzzles
I Love You Sudoku - 276 Logic Puzzles
Outside Sudoku - Hard - Volume 4 - 276 Puzzles
Sudoku 10x10 Deluxe - Easy to Extreme - Volume 14 - 468 Puzzles
