We use the words Bible and Scripture interchangeably to describe the Word of God. The origin of each word helps us to understand what this book actually is. What does "Bible" mean? Bible comes from the Greek and Latin words for "books." The Bible isn't just one book, it is a collection of many books. Depending on the version of the Bible, there are 73 books in the Catholic Bible (46 Old Testament, 27 New Testament) or 66 books in most Protestant Bibles (39 Old Testament, 27 New Testament) with s