The Bible has 66 books: 39 in the Old Testament and 27 in the New Testament. The Old Testament is grouped as Law (Genesis-Deuteronomy), History (Joshua-Esther), Poetry and Wisdom (Job-Song of Songs) and Prophets (Isaiah-Malachi). The New Testament has the Gospels (Matthew, Mark, Luke, John), Acts, the Letters (Epistles) and Revelation.