C.S. Lewis' Published Works
The Chronicles of Narnia (1950-1956)
- The Lion, the Witch and the Wardrobe (1950)
- Prince Caspian: The Return to Narnia (1951)
- The Voyage of the Dawn Treader (1952)
- The Silver Chair (1953)
- The Horse and His Boy (1954)
- The Magician’s Nephew (1955)
- The Last Battle (1956)
The Space Trilogy (1938-1945)
- Out of the Silent Planet (1938)
- Perelandra (1943)
- That Hideous Strength (1945)
Standalone Fiction
- The Pilgrim’s Regress (1933)
- The Screwtape Letters (1942)
- The Great Divorce (1945)
- Till We Have Faces (1956)
- The Dark Tower (Unfinished, published posthumously in 1977)
Christian Apologetics and Theology
- The Problem of Pain (1940)
- The Abolition of Man (1943)
- Miracles (1947)
- Mere Christianity (1952) — Based on radio talks during WWII
- The Four Loves (1960)
- Reflections on the Psalms (1958)
- Letters to Malcolm: Chiefly on Prayer (1964)
- Christian Reflections (1967) — Collected essays, posthumously published
- God in the Dock: Essays on Theology and Ethics (1970) — Posthumously published essays
Literary Criticism and Philosophy
- The Allegory of Love (1936)
- A Preface to Paradise Lost (1942)
- The Personal Heresy (1939) — Co-authored with E.M.W. Tillyard
- English Literature in the Sixteenth Century (Excluding Drama) (1954)
- Studies in Words (1960)
- An Experiment in Criticism (1961)
- The Discarded Image (1964)
Autobiographical
- Surprised by Joy: The Shape of My Early Life (1955)
- A Grief Observed (1961) — Published under the pseudonym N.W. Clerk
Letters and Selected Essays
- The Weight of Glory and Other Addresses (1949)
- The World’s Last Night and Other Essays (1960)
- Present Concerns: Essays by C.S. Lewis (1986) — Posthumously published collection of essays
- All My Road Before Me: The Diary of C.S. Lewis 1922–1927 (1991)
- Letters of C.S. Lewis (Edited by W.H. Lewis) (1966)
- Collected Letters of C.S. Lewis (Published in three volumes, edited by Walter Hooper) (2000-2006)