Eight known authors and one unknown author contributed to the New Testament. The known authors were Matthew, Luke, Peter, Jude, Mark, John, James and Paul. Religious scholars do not know who wrote the book of Hebrews.
The New Testament has a total of 27 books, with four of those books containing a record of Christ's life and teachings. These four books — Matthew, Mark, Luke and John — are also called gospels. Paul was the most prolific of the New Testament authors, writing 13 of the 27 books. These books, known as the Pauline epistles, cover topics such as spiritual warfare, purity, marriage and the resurrection of Jesus.