The Church at Prayer: Volume I: Principles of the Liturgy A.G. Martimort, I. H. Dalmais, OP, P. Jounel, P. M. Gy, OP | Paperback from 2995 2695 /per Quantity Add to Cart Out of Stock - Available on Backorder This title is not currently in stock in our warehouse, but can be special-ordered. Learn more. The history and development of liturgical practices is given. SKU/ISBN: 9780814613634 Author: A.G. Martimort, I. H. Dalmais, OP, P. Jounel, P. M. Gy, OP Publisher: Liturgical Press