The Old Mass and the New: Explaining the Motu Proprio Summorum Pontificum of Pope Benedict XVI

In July 7, 2007, Pope Benedict XVI released his motu proprio Summorum Pontificum, allowing for unprecedented freedom for priests to celebrate the so-called Tridentine Mass, now referred to as the "Extraordinary Form" of the Mass, as opposed to the Mass of Paul VI, or the "Ordinary Form". In this new book by French bishop Marc Aillet, the historical and cultural impetus for the motu proprio as well as the rich tradition of liturgical reform a...