Böcker i Sudoku Puzzle Series - A Journal of the Heart Series-serien

- Beginner's Level, 200 Easy to Read Puzzles and Solutions, 8.5" X 11

- Intermediate Level, 200 Easy to Read Puzzles and Solutions, 8.5" X 11

- Medium Level, 200 Easy to Read Puzzles and Solutions, 8.5 X 11

- Hard Level, 200 Easy to Read Puzzles and Solutions, 9X9 Grids, 8.5 X 11