- 100 Sudoku Puzzle 9x9 - One puzzle per page: Sudoku Puzzle Books - Medium Level - Hours of Fun to Keep Your Brain Active & Young - Gift for Sudoku Lovers - Vol 4
- 320 Sudoku Puzzle 9x9: Sudoku Puzzle Books for Beginners - Easy Level - Hours of Fun to Keep Your Brain Active & Young - Gift for Sudoku Lovers
- 100 Sudoku Puzzle 16x16 - One puzzle per page: Sudoku Puzzle Books - Medium Level - Hours of Fun to Keep Your Brain Active & Young - Gift for Sudoku Lovers - Vol 2
- 100 Sudoku Puzzle 9x9 - One puzzle per page: Sudoku Puzzle Books - Easy Level - Hours of Fun to Keep Your Brain Active & Young - Gift for Sudoku Lovers - Vol 5
- 400 unique Sudoku puzzles: Sudoku Puzzle Books for Adults with Solution - Hard Level - Hours of Fun to Keep Your Brain Young - Gift for Sudoku Lovers