Major Works:
* "The End of the World and the End of God: An Essay on Modernity" (2002): Explores the relationship between modernity, religion, and the question of the end of the world.
* "The Philosophical Act: On the Thought of Martin Heidegger" (2006): A critical analysis of Heidegger's philosophy.
* "The Concept of the Person: A Theological Inquiry" (2010): Examines the philosophical and theological concept of the person.
* "The Philosopher's Stone: On the Value of Things" (2014): An exploration of the concept of value and its significance in human life.
* "Faith in the Face of Terror: A Theological Inquiry" (2017): Reflects on the implications of terrorism for religious faith.
* "The Power of the Cross: On the Christian Faith" (2021): A meditation on the meaning and significance of the cross in Christian faith.
Other Works:
* "The Art of Dying" (2008)
* "The Dignity of Life: On the Significance of Bioethics" (2012)
* "The Meaning of Beauty: On the Aesthetic Dimension of Faith" (2016)
* "The Future of Faith" (2019)
Note: This list is not exhaustive, as Pieper has written numerous articles, essays, and contributions to scholarly journals.