The Second Vatican Council says, "We ought to try to discover a new reverence for the Eucharistic mystery. Something is happening that is greater than anything we can do. The liturgy is the summit toward which the activity of the Church is directed; it is the font from which all her power flows."

This profound statement about the Eucharist stands at the center of this book by Cardinal Ratzinger. He compellingly shows us the biblical, historical, and theological dimensions of the Eucharist. The Cardinal draws far-reaching conclusions, focusing on the importance of one's personal...