Peter Kreeft
American Catholic philosopher, Christian apologist, and author known for numerous popular books on philosophy and theology and for his longtime work as a philosophy professor.
Books
This list of books are ONLY the books that have been ranked on the lists that are aggregated on this site. This is not a comprehensive list of all books by this author.
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1. How To Be Holy
First Steps in Becoming a Saint
A concise, practical guide to living the Christian life that lays out straightforward spiritual disciplines and insights to help ordinary believers pursue saintly holiness in daily routines. Drawing on Scripture, the wisdom of the saints, and basic moral theology, it emphasizes prayer (especially the Eucharist and confession), cultivation of virtues, humility, and cooperation with grace through simple, concrete steps and practices. The tone is pastoral and accessible, encouraging readers that holiness is attainable through small choices, habitual love, and continual conversion of heart.
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2. Everything You Ever Wanted To Know About Heaven
A readable, question-and-answer style exploration of the Christian hope of the afterlife that tackles common curiosities and doubts—Is heaven physical or purely spiritual? Will we recognize loved ones? How do time, memory, justice, and free will work there?—by combining plain-language theology, philosophical reasoning, and biblical reflection to argue for personal continuity, bodily resurrection, deepening knowledge and love, and an ultimate joy that resolves earthly suffering; practical implications for how this hope shapes present life are emphasized throughout.
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4. A Shorter Summa
The Essential Philosophical Passages of St. Thomas Aquinas
A concise, accessible condensation of key Thomistic arguments and teachings that selections and plain-language commentary present for modern readers; it distills central proofs for God’s existence, discussions of divine attributes and creation, accounts of human nature, knowledge, free will, sin and virtue, and the natural law, preserving the logical rigor of medieval scholasticism while stressing practical moral applications and making complex theological and philosophical ideas usable for students and general readers.
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