Peter Kreeft, Ph.D., Professor of Philosophy at Boston College, is one of the most respected and prolific Christian authors of our time. His many bestselling books cover a vast array of topics in spirituality, theology, and philosophy. They include* Wisdom from the Psalms *, Practical Theology, Door...

Peter Kreeft, Ph.D., Professor of Philosophy at Boston College, is one of the most respected and prolific Christian authors of our time. His many bestselling books cover a vast array of topics in spirituality, theology, and philosophy. They include* Wisdom from the Psalms *, Practical Theology, Doors in the Walls of the World, How to Be Holy, Because God Is Real, You Can Understand the Bible, Angels and Demons, Heaven: The Heart's Deepest Longing, and Summa of the Summa.