"A Source Book for Ancient Church History" is a research work that is offered to the reader as a valuable resource for studying the history of the ancient church. The author of the book, Joseph Cullen Ayer, has done a tremendous job of collecting and systematizing the main sources that reveal the period of formation and development of Christianity in the first centuries of our era. The book collects original textual materials, written documents and other sources that reflect important stages in the history of the church, its doctrine and practice. The reader will be able to get acquainted with the original texts of early theological works, church dogmas, letters of the apostles and other historical documents, which will help to better understand the spiritual and cultural environment in which the Christian tradition was formed. "Source Receiver for Ancient Church History" will be an important addition to the bibliography of anyone interested in religious history and who wants to better understand the roots of modern Christianity.