The following are chapter by chapter suggestions for studying the works of C. S. Lewis through the lens of Mere Theology. Read the appropriate chapter in Mere Theology and then read the Lewis primary or secondary works cited. . . .
1. Defending the Faith
Mere Christianity , Books I and II
Surprised by Joy
The Pilgrim's Regress
Miracles, chapters 1-3
2. Scripture
Reflections on the Psalms, chapter 11 on Scripture
Christian Reflections, essay on Fern-seed and Elephants
3. The Three-Personal God
Mere Christianity, Book IV
4. God's Sovereignty and Human Responsibility
God in the Dock, Cross-Examination
Perelandra
The Lion, The Witch and The Wardrobe
Voyage of the Dawn Treader
The Silver Chair
5. Creation
The Magician's Nephew
6. The Fall
The Problem of Pain, chapter 5
A Preface to Paradise Lost
7. The Person and Work of Christ
Miracles, chapters 14-16
8. The Holy Spirit
Letters to an American Lady
Real Presence by Leanne Payne
9. Forgiveness
Mere Christianity, Book III, Chapter 7
Weight of Glory, essay On Forgiveness
The Latin Letters of C. S. Lewis , edited by Martin Moynihan
Jack by George Sayer
10. Faith and Works
The Weight of Glory, sermon on A Slip of the Tongue
Mere Christianity, Book III, chapters 11 and 12
11. Satan and Temptation
The Screwtape Letters
12. The Tao
The Abolition of Man
Mere Christianity, Book III, chapters 1-4
13. Venus
Mere Christianity, Book III, chapter 5
The Four Loves, chapter on Eros
14. Marriage and Divorce
Mere Christianity, Book III, chapter 6
A Grief Observed
Lenten Lands by Douglas Gresham
15. Men are from Mars . . .
That Hideous Strength
God in the Dock, essay on Priestesses in the Church?
We Remember C. S. Lewis, edited by David Graham
16. I am the King's Man
Present Concerns, essay on The Monarchy
The Horse and His Boy
17. War and Peace
The Weight of Glory, sermon: Learning in War-Time
The Weight of Glory, essay: Why I am not a Pacifist
Present Concerns, essay on The Atom Bomb
18. What's Love Got To Do With It?
The Four Loves
Till We Have Faces
Mere Christianity, Book III, chapter 9
19. The Church
The Weight of Glory, essay on Membership
Preface to Mere Christianity
Letters to Malcolm, chapter 1
God in the Dock, essay On Church Music
20. Prayer
Letters to Malcolm
Christian Reflections, essay on Petitionary Prayer: A Problem without an Answer
The World's Last Night and Other Essays, essay on The Efficacy of Prayer
21. The Sacraments
The Weight of Glory, sermon: Transposition
Letters to Malcolm, chapter 19
22. Hell
The Problem of Pain, chapter 8
Reflections on the Psalms, chapter 4
The Great Divorce
23. Purgatory
The Great Divorce
Letters to Malcolm, chapter 20
24. Heaven
The Problem of Pain, chapter 10
Sermon: The Weight of Glory, in book by the same name
The Last Battle
Letters to Malcolm, chapter 22
25. The World's Last Night
Essay on The World's Last Night in essay collection by the same name.