New Priory Press is proud to present this volume of six classic essays on the life and thought of St. Catherine of Siena (1347-80), Dominican mystic and Doctor of the Church. The essays, which include several that appear here in English for the first time, are: Thomas Deman, O.P., “Theology in the Life of St. Catherine of Siena”; Thomas McDermott, O.P., “Catherine of Siena: Doctor of Communion”; Maria Francesca Carnea, “Freedom and Politics in St. Catherine of Siena”; Yves Congar, O.P., “The Holy Spirit in the Prayers of St. Catherine of Siena”; Michael J. Houser, “Processo Castellano. An excerpt from the testimony of Fra Bartolomeo Dominici”; Antoine Lemonnyer, O.P., “The Spiritual Life in the Teaching of St. Catherine of Siena”