The book of Acts is the second volume of Luke's history, picking up where his Gospel left off. It is a thrilling, fast-paced account of the first thirty years of the Christian church. The story begins in Jerusalem with Jesus's ascension and the dramatic arrival of the Holy Spirit at Pentecost, which empowers the apostles to preach with boldness. Peter becomes the leading voice for the mission to the Jews, while the narrative soon shifts to Saul of Tarsus, whose stunning conversion transforms him into Paul, the apostle to the Gentiles. Through missionary journeys, persecution, miracles, and debates, Acts shows the gospel message breaking every barrier—social, ethnic, and geographic—as it spreads unstoppably from Jerusalem to Rome, the very center of the known world.