"More than any other book of the Bible, Ephesians displays the great purpose and plan of God for the church," Walter Liefeld writes. "It provides a perspective that is unique: God's--and the believer's--view from the 'heavenly realms.'" For those who long to delve into the mind and purposes of God, few books are more helpful than Paul's letter to the Ephesians. Here the apostle paints in broad strokes the great plan of God for his church, centered...