The genre of the book of Acts is Narrative History with several Sermons. Luke, the author of the Gospel of Luke, was a doctor and Gentile. He wrote this book circa 60-62 A.D. It is Luke’s sequel to the Gospel of Luke. It is titled "Acts" to emphasize that this book records the "Acts of the Apostles through the work of the Holy Spirit". The key personalities of Acts are Peter, Paul, John, James, Stephen, Barnabas, Timothy, Lydia, Silas, and Apollos.
Luke wrote the book of Acts (Acts of the Apostles) to record how believers were empowered by the Holy Spirit, worked to spread the Gospel of Christ, and are a model for the future church.