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