The "Book of Armagh" is a 9th-century illuminated manuscript written mainly in Latin, containing early texts relating to St Patrick and some of the oldest surviving specimens of Old Irish. It is one of the earliest manuscripts produced by an insular church to contain a near complete copy of the New Testament. The manuscript was the work of a scribe named Ferdomnach of Armagh (died 845 or 846). Ferdomnach wrote the first part of the book in 807 or 808, for Patrick's heir ("comarba") Torbach. It was one of the symbols of the office for the Archbishop of Armagh.