'For theologians interested in the history of sacramental theology, this monograph is a [must-read] … Philip L. Reynolds is an historical theologian and here he gives a masterly and accessible demonstration of what the historical theologian does and why he does it … One of the great, perhaps unintended, benefits of [Reynolds'] monograph is that it contributes vast theological data and analysis to demonstrate yet one more time doctrinal development in the Catholic Church … this is a carefully researched and meticulously detailed history of the theology of the sacrament of marriage.' Michael G. Lawler, Marriage, Families and Spirituality