The Bible, also known as the Holy Bible, is a group of religious texts of Judaism and Christianity, it contains both the Old Testament and The New Testament. The word Bible comes from the Greek word τὰ βιβλία (biblía) which means "books" in English, because it is many books in one book. It includes laws, stories, prayers, songs, and wise words. A number of texts are both in the Hebrew Bible, used by Jews, and this Christian one. The Bible is the best-selling book in the entire world.