"Mystery and Sacrament of Love: A Theology of Marriage and the Family for the New Evangelization" by Marc Cardinal Ouellet is a comprehensive textbook exploring the complex and mysterious aspects of love, marriage, and family within the context of Christian theology. Published by Eerdmans Publishing Company, this trade paperback delves into the sacrament of love and its significance in the Catholic Church. With a focus on general Christian theology, this book provides insights into the role of love and family in the spiritual journey of believers, making it a valuable resource for those seeking a deeper understanding of these essential components of Christian life.