Does Prayer Change Things? R. C. Sproul's popular treatment of the subject of Prayer, including the difficult questions surrounding the effect of prayer and how/when God may answer our prayers. It is part the Crucial Questions Series, a thorough introduction to matters critical to Christian life.
Surprised by Suffering: The Role of Pain and Death in the Christian Life. One of Sproul's most popular and widely-read books, addressing deeply-felt issues and concerns common to every believer.