Which of the following is the world's best-selling book?

The answer is not The Lord of the Rings, as it is not the world's bestselling book. According to various sources, including the Guinness World Records, the Bible holds the title of the best-selling book of all time. With an estimated 5 billion copies sold worldwide, the Bible has had a significant cultural and religious impact across different civilizations and continues to be widely read and revered by billions of people worldwide.