Augustine; Sheed, F. J. [translator]. The Confessions of St. Augustine. Pekin, IN: Refuge of Sinners Publishing, Inc., 2014.
New, 254 pp. New. Paperback. 
In this book St. Augustine is addressing God all the time: he relates the story of his life to God, discusses philosophical problems with God, and from time to time breaks into what we should more naturally regard as prayer to God.