The Pursuit of God by A.W. Tozer has become a Christian classic. In the introduction, Samuel M. Zwemer writes a brief description of the book: "Here is a masterly study of the inner life by a heart thirsting after God, eager to grasp at least the outskirts of His ways, the abyss of His love for sinners, and the height of His unapproachable majesty--and it was written by a busy pastor in Chicago!"