These are 20 of history’s most popular books based on sales, distribution, and circulation. We have no way of knowing how many people have read any specific book. How many have you read? I’ve read only 9 so far.

1. The Bible, around 40 authors: ~5-7 billion
2. The Quran, Muhammad: ~800 million
3. Quotations from Chairman Mao Tse-tung: ~800 million
4. Don Quixote, Miguel de Cervantes: ~500 million
5. A Tale of Two Cities, Charles Dickens: ~200 million
6. The Little Prince, Antoine de Saint-Exupéry: ~200 million
7. The Lord of the Rings, J.R.R. Tolkien: ~150 million
8. The Book of Mormon, Joseph Smith: ~200 million
9. Harry Potter and the Philosopher’s Stone, J.K. Rowling: ~120 million
10. The Hobbit, J.R.R. Tolkien: ~100 million