At a time when there is renewed interest in the Extraordinary Rite, Hugh Ross Williamson's classic exposition of the Roman Canon provides a superb commentary to provide priest and people alike with a deeper devotional understanding of the Mass. The very considerable learning, both historical and theological, which stands behind his writing is never obtrusive, but always serves the main purpose of the book which is devotional. Every paragraph of the Canon is given, both in Latin and in English translation. The prayers which compose the Canon of the Mass in the Extraordinary Rite are exactly...