Top 10 religious books of the 20th century

1. C. S. Lewis
Mere Christianity

2. Dietrich Bonhoeffer
The Cost of Discipleship

3. Karl Barth
Church Dogmatics

4. J. R. R. Tolkien
The Lord of the Rings (trilogy)

5. John Howard Yoder
The Politics of Jesus

6. G.K. Chesterton
Orthodoxy

7. Thomas Merton
The Seven Storey Mountain

8. Richard Foster
Celebration of Discipline

9. Oswald Chambers
My Utmost for His Highest

10. Reinhold Niebuhr
Moral Man and Immoral Society