Acts of the Apostles in Wikipedia

The Acts of the Apostles (Latin: Acta Apostolorum), usually referred to simply as Acts, is the fifth book of the New Testament; Acts outlines the history of the Apostolic Age. The author is traditionally identified as Luke the Evangelist. While the precise identity of the author is debated, the general consensus is that this work was composed by a (Koine) Greek speaking Gentile writing for an audience of Gentile Christians. The Early Church Fathers wrote that Luke was a physician in Antioch and an adherent of the Apostle Paul. Luke is said to have written the volume entitled Acts of the Apostles...

Link: https://en.wikipedia.org/wiki/Acts