Timothy Keller. Prayer: Experiencing Awe and Intimacy with God. New York: Dutton, 2014.
This is probably the best overall book on prayer that I know of because it shrewdly addresses the issue from three angles:
- theological
- experiential or devotional
- methodological or practical
It seems like every book Keller writes is the best all-around book on that subject.
This chart is particularly helpful (p. 141):
I agree with Andy Davis’s review.

In 1944 while America was fighting in World War II, some young men enlisted at Westminster Theological Seminary instead of enlisting for military service. This is the opening address in which Professor John Murray welcomed them on June 30, 1944. Murray’s words—especially the ones I bolded below—are a motivational perspective for students who are currently enrolled in seminary (HT: Chris Brauns).







