Carson’s 1992 book on prayer is now available in a second edition along with a study guide he coauthored with my colleague Brian Tabb:
D. A. Carson. Praying with Paul: A Call to Spiritual Reformation. 2nd ed. Grand Rapids: Baker Academic, 2015.
D. A. Carson and Brian J. Tabb. Praying with Paul: A Call to Spiritual Reformation [Study Guide]. Nashville: LifeWay, 2014.
Check out this 34-page PDF sample of the second edition.
And here’s a 1-minute preview: