The following seven books by my professor, D.A. Carson, are available for FREE as PDF files. The Difficult Doctrine of the Love of God is suppose to be one of his best, if not his best, works as of yet.
The Difficult Doctrine of the Love of God.
Memoirs of an Ordinary Pastor.
Holy Sonnets of the Twentieth Century.
For the Love of God, Volume One.
Kirk E. Miller 