He That Is Spiritual: A Classic Study of the Biblical Doctrine of Spirituality, Paperback/Lewis Sperry Chafer

Few books have been more warmly received by Bible teachers and students. He That is Spiritual defines true Christian living and unfolds the biblical teaching concerning spirituality -- what it is, and how it is secured. Nothing could be more important to Christians than the theme of this book. Its sound teaching corrects many false impressions and presents a scriptural pattern for the full life in Christ.