The Catholic Bible is composed of 73 books: an Old Testament of 46 books (including 7 deuterocanonical books and additional deuterocanonical content in 2 books) and a New Testament of 27 books.

Old Testament (46 books)
The 7 deuterocanonical books are indicated by an asterisk (*) and the 2 books with additional deuterocanonical material by a plus sign (+)

• Pentateuch (5): Genesis, Exodus, Leviticus, Numbers, Deuteronomy
• Historical books (16): Joshua, Judges, Ruth, 1 Samuel, 2 Samuel, 1 Kings, 2 Kings, 1 Chronicles, 2 Chronicles, Ezra, Nehemiah, Tobit (*), Judith (*), Esther (+), 1 Maccabees (*), 2 Maccabees (*)
• Poetic Books (7): Job, Psalms, Proverbs, Ecclesiastes, Song of Songs, Wisdom of Solomon (*), Sirach (*)
• Prophetic books (18): Isaiah, Jeremiah, Lamentations, Baruch (*), Ezekiel, Daniel (+), Hosea, Joel, Amos, Obadiah, Jonah, Micah, Nahum, Habakkuk, Zephaniah, Haggai, Zechariah, Malachi

The Sixto-Clementine Vulgate and the original Douay Rheims Bible also included in an appendix three books whose canonicity was questioned: Prayer of Manasseh, 3 Esdras, and 4 Esdras.[2][3][a]

New Testament (27 books)

• The Gospels (4): Matthew, Mark, Luke, John
• Historical book (1): Acts of the Apostles
• Pauline epistles (13): Romans, 1 Corinthians, 2 Corinthians, Galatians, Ephesians, Philippians, Colossians, 1 Thessalonians, 2 Thessalonians, 1 Timothy, 2 Timothy, Titus, Philemon
• Hebrews (1)
• General epistles (7): James, 1 Peter, 2 Peter, 1 John, 2 John, 3 John, Jude
• Prophetic book (1): Apocalypse of John