Argyle Sudoku - Easy to Extreme - Volume 1 - 276 Puzzles
Kakuro Mixed Grids Large Print - Volume 5 - 270 Logic Puzzles
Consecutive Sudoku - Extreme - Volume 5 - 276 Logic Puzzles
Killer Sudoku 9x9 Large Print - Hard - Volume 27 - 270 Logic Puzzles
Heyawake Mixed Grids Large Print - Easy to Hard - Volume 11 - 276 Logic Puzzles
Samurai Sudoku Deluxe - Hard - Volume 8 - 255 Logic Puzzles
Killer Sudoku 10x10 Deluxe - Easy to Hard - Volume 12 - 459 Puzzles
Jigsaw Sudoku 10x10 - Extreme - Volume 12 - 276 Puzzles
Hyper Sudoku 9x9 - Easy to Extreme - Volume 1 - 276 Puzzles
Jigsaw Sudoku 9x9 Deluxe - Extreme - Volume 23 - 468 Logic Puzzles
Heyawake Mixed Grids - Medium - Volume 3 - 276 Logic Puzzles
Sudoku Travel Pocket Size Book 6 - 120 Easy to Medium Logic Puzzles For On-The-Go Holiday Fun
Futoshiki 9x9 Large Print - Easy to Hard - Volume 11 - 276 Puzzles
CalcuDoku 9x9 - Hard - Volume 10 - 276 Puzzles
Classic Sudoku 9x9 Deluxe - Medium - Volume 53 - 468 Logic Puzzles
Futoshiki 9x9 Deluxe - Hard - Volume 13 - 468 Logic Puzzles
Mega Sudoku 16x16 Large Print - Hard - Volume 59 - 276 Logic Puzzles
Killer Sudoku For Kids 8x8 - Easy to Hard - Volume 2 - 141 Puzzles
Heyawake Mixed Grids - Hard - Volume 10 - 276 Logic Puzzles
Hyper Sudoku 16x16 - Easy to Extreme - Volume 2 - 276 Puzzles
