The book "Dionysius of Alexandria: Letters and Treatises" is a collection of works of the outstanding ancient Greek theologian and patristics Saint Dionysius of Alexandria. This book contains his letters and treatises, which allow the reader to better understand the thoughts and teachings of the author. Dionysius, who lived in the 3rd century, was one of the defining figures of the early Christian church. His works are marked by deep spirituality, wisdom and doctrinal importance. Reading "Dionysius of Alexandria: Letters and Treatises", the reader can immerse himself in the world of ancient Christian tradition and priorities of spiritual development.