The "Acts of the Apostles" is a book in the New Testament of the Christian Bible, traditionally attributed to Luke. It details the early days of the Christian church after the ascension of Jesus Christ, focusing on the spread of Christianity throughout the Roman Empire. The narrative highlights the activities of key figures, particularly Peter and Paul, as they preach the gospel and establish communities of believers. The book covers significant events such as the coming of the Holy Spirit at Pentecost, the conversion of Saul (later known as Paul), and various missionary journeys. It serves as a historical account of the challenges and triumphs faced by the apostles and early Christians, illustrating the growth of the church and its teachings.