I often speak of apologetics through aesthetics and beauty on my YouTube channel, and recently received a request for a Top 5 of books that could fit into that category. Here is that video. List of the books can be found below the embedded vid.
5. Walking On Water, Madeleine L'Engle
4. Supper of the Lamb, Francis Farrar Capon
3. Pensees, Pascal
2. Notes From The Tilt-A-Whirl, N. D. Wilson
1. Orthodoxy, G. K. Chesterton