Many Muslims claim that the Gospel of Barnabas is the real gospel that Jesus gave to his disciples.  An Italian version of this book came to light in the early 1700’s.  Many of the events and discourses it records are not in agreement with the four Gospels.  It has proven to be a forgery, almost certainly written in 1585.  It has historical, geographical, and doctrinal errors that prove it could not have been written by Barnabas, the disciple of Jesus in the early church.  It also contradicts the Qur’an in many places, for instance calling Muhammad the Messiah rather than Jesus, and saying that Mary did not suffer birth pangs in child-birth.