Which book was written before the gospels?
It is just as unrealistic to place the authorship of the gospels
too late, as it is to place them too early. After much analysis,
scholars have concluded that the first gospel to be written was
Mark's Gospel, and that it was written approximately 70 CE. All
Paul's authentic epistles (Romans, 1 Corinthians, 2 Corinthians,
Philemon, Galatians, Philippians and 1 Thessalonians)
were written well before this date, as probably was the Book of
Hebrews. The Epistle of James may also have been written
earlier than Mark.
The gospels were all written after 104 A.D. and the publication
of the first latin Vulgate bibles by St. Jerome. Jerome had
compiled all of the original story books together before the new
books were 'found'. The old testiment as it appears today is almost
entirely composed of books written before the gospels appeared.
Notably, the first five books of the christian bible are descended
from the Jewish Torah and book of laws (leviticus) which predate