43. John. The book of John is a Gospel that contains Narrative History, Sermons, Parables, and a few Prophetic Oracles. It was written by the Disciple/Apostle John around 85-95 A.D. The key personalities of this book are Jesus Christ, His Twelve Disciples, Mary Magdalene, John the Baptist, Lazarus, his sisters Mary and Martha, Jewish religious leaders, and Pilate. It was written so that all may believe in Jesus Christ the Son of God who gives eternal life. Believe that Jesus is the Son who came from the Father to reveal him, and has returned to the Father to open up the way to life for his people.