Orthodoxy [with Biographical Introduction]
The Everlasting Man
The Everlasting Man (with linked TOC)
The End of Reason
What's Wrong with the World
The G. K. Chesterton Collection [50 Books]
Impossible People: Christian Courage and the Struggle for the Soul of Civilization
Recapture the Wonder
The Lotus and the Cross: Jesus Talks with Buddha (Great Conversations)
Summa Theologica (All Complete & Unabridged 3 Parts + Supplement & Appendix + interactive links and annotations)