"The Life and Work of Saint Irenaeus, Bishop of Lyons and Martyr: A Reflection of the Doctrine, Discipline, Practice, and History of the Church, and the Teaching and Practice of the Heretical Gnostics in the Second Century" is a study created by James Beaven that details the life and work of the eminent figure of the early Christian Church, Saint Irenaeus. The author offers the reader a deep dive into the context of the second century, revealing the essence of Christian doctrine, discipline and practices of that time. In addition, the book focuses attention on the tendencies and practices of heretical Gnostics, which complements the picture of spiritual and intellectual mystery of the early Christian period. This book will become an indispensable source of knowledge for anyone interested in the history of the early Christian church and the spiritual quest of mankind."