The Ancient Church: Its History, Doctrine, Worship, and Constitution

The Ancient Church: Its History, Doctrine, Worship, and Constitution, written by W. D. Killen in the mid-19th century, provides a scholarly examination of the early Christian church from approximately 30 to 600 AD. The book explores the development of church practices, doctrines, and governance during its formative years, highlighting significant changes from the time of Christ and the apostles to the rise of ecclesiastical hierarchy. Killen addresses themes such as the life and teachings of Jesus, the roles of the apostles, and the challenges faced by early Christians, including persecution and doctrinal disputes.