The Book of Acts, written by Luke, is a historical account of the early Christian Church after Jesus’ resurrection. It details the coming of the Holy Spirit at Pentecost, the spread of the Gospel through apostles like Peter and Paul, and the establishment of churches throughout the Roman Empire. The book highlights key events such as Paul’s missionary journeys, the conversion of Gentiles, and the perseverance of believers despite persecution. Acts serves as a bridge between the Gospels and the Epistles, showing how Christianity spread from Jerusalem to the ends of the earth.