The English Letters of Abbot Marmion, 1858-1923 is a collection of the personal letters of the Benedictine Abbot Columba Marmion, published posthumously and assembled in preparation for his beatification. It presents his profound spiritual wisdom and advice on faith, prayer life, and spiritual guidance that are relevant today, beyond the context of his original time. It is a landmark work in the Catholic spiritual tradition, offering firsthand insight into the spiritual guidance of Abbot Marmion, a significant figure in the early 20th century.