The Gospel of Mark is one of the four canonical gospels in the New Testament of the Christian Bible. It is believed to have been written by Mark, a companion of the apostle Peter, around 70 AD. This gospel focuses on the life, teachings, death, and resurrection of Jesus Christ, emphasizing his role as the Son of God and the importance of faith. Mark's narrative is known for its straightforward and fast-paced style, often using the word "immediately" to move the story along. It contains unique parables and miracles, highlighting Jesus' authority and compassion. The gospel concludes with the resurrection, affirming the belief in eternal life for believers.