The New Testament has 27 Books (Note that the Catholic Bible has 63 books in total, and most Orthodox Bibles have 73 books, as they include the books of the “Apocrypha"
The New Testament consists of 4 Gospels, The book of Acts, 21 Epistles, and Revelation.
(a) The 4 Gospels are: Matthew, Mark, Luke, and John. These are accounts of Jesus’ life and ministry, arranged not as a
biography or chronological narrative, but as a theological sermon to meet the needs of a particular group.
(b) The 21 Epistles or “letters of instruction”, are: Romans, 1 & 2 Corinthians, Galatians, Ephesians, Philippians, Colossians, 1& 2 Thessalonians, 1, 2, & 3 Timothy, Titus, Philemon, Hebrews, James, 1 & 2 Peter, 1 & 2 Peter, 1, 2 & 3 John, and Jude.