Generous Justice, the Meaning of Marriage, Every Good Endeavour, ...
Timothy Keller
The Unseen Realm: Recovering the Supernatural Worldview of the ...
Heiser, Michael S.
The Two Kingdoms: A Guide for the Perplexed
W. Bradford Littlejohn
The Person and Work of the Holy Spirit
Benjamin B. Warfield
The Rise of Christianity
Rodney Stark
Flatland (illustrated version)
Edwin A. Abbott