Nonfiction
God, Revelation, and Authority (6 vols.) by Dr. Carl F. H. Henry
De Doctrina Christiana by St. Augustine of Hippo
The City of God by St. Augustine of Hippo
On the Trinity by St. Augustine of Hippo
On Free Choice of the Will by St. Augustine of Hippo
Confessiones by St. Augustine of Hippo
Summa Theologica and Summa Contra Gentiles by Thomas Aquinas
A Christian Manifesto and The God Who is There by Dr. Francis A. Schaeffer
The Institutes of the Christian Religion and The Secret Providence of God by John Calvin
The Prince by Niccolò Machiavelli
An Enquiry Concerning Human Understanding and Concerning the Principles of Morals by David Hume
Two Treatises of Civil Government and An Essay Concerning Human Understanding by John Locke
A Treatise Concerning the Principles of Human Knowledge by George Berkeley
Critique of Pure Reason by Immanuel Kant
Liviathan by Thomas Hobbs
Meditations on First Philosophy and Discourse on Method by René Descartes
Organon, Metaphysics and Physics by Aristotle
The Socratic Dialogues by Plato
The Republic by Plato
Phaedrus by Plato
"Theatetus" and "Timaeus" by Plato
The Sophistes and Politicus by Plato
The Road to Surfdom by Friedrich August von Hayek
Moral Philosophy: An Historical and Critical Survey of the Great Systems by Jacques Maritain
An Inquiry into the Nature and Causes of the Wealth of Nations by Adam Smith
Capitalism and Freedom by Milton Friedman
Mere Christianity by C. S. Lewis
Mind & Cosmos: Why the Materialist, Neo-Darwinian Conception of Nature is Almost Certainly False by Thomas Nagel
Darwin's Doubt: The Explosive Origin of Animal Life and the Case for Intelligent Design by Stephen C. Meyer
Living Water: The Power of the Holy Spirit in Your Life by Chuck Smith
Revelation Unveiled by Tim LaHaye
Start to Follow by Greg Laurie
Fiction
The Divine Comedy by Dante Alighieri
Paradise Lost by John Milton
The Chronicles of Narnia, The Screwtape Letters and The Great Divorce by C. S. Lewis
The Complete Stories of Flannery O'Connor
Great Lion of God by Taylor Caldwell
Hamlet, Macbeth, Othello, Romeo and Juliet and Richard III by William Shakespeare
The Taming of the Shrew and A Midsummer Night's Dream by William Shakespeare
Nineteen Eighty-Four and Animal Farm by George Orwell
Lord of the Flies by William Golding
To Kill a Mockingbird by Harper Lee
The Call of the Wild by Jack London
Adventures of Huckleberry Finn by Mark Twain
A Tale of Two Cities by Charles Dickens
The Count of Monte Cristo by Alexandre Dumas
A Canticle for Leibowitz by Walter M. Miller, Jr.
Brave New World by Aldous Huxley
The Pilgrim's Progress and Visions of Heaven and Hell by John Bunyan
Watership Down by Richard Adams
Les Misérables and The Hunchback of Notre-Dame by Victor Hugo
Caveat: I don't recommend all of the ideas expressed in the works of nonfiction; I recommend that Christians be aware of these works and the ideas thereof, as, taken together, along with the great works of theology listed, they have informed the world in which we live today. In that vein, one must also list the insidious blasphemies of Darwin's On the Origin of Species and Marx's The Communist Manifesto and Das Kapital.
Les Misérables and The Hunchback of Notre-Dame by Victor Hugo
Caveat: I don't recommend all of the ideas expressed in the works of nonfiction; I recommend that Christians be aware of these works and the ideas thereof, as, taken together, along with the great works of theology listed, they have informed the world in which we live today. In that vein, one must also list the insidious blasphemies of Darwin's On the Origin of Species and Marx's The Communist Manifesto and Das Kapital.