Martin Luther: A Spiritual Biography by Herman Selderhuis and published by Crossway Books.
Drawing from the German pastor's own books, sermons, and letters, one of the world's leading Reformation scholars reveals Luther's dynamic personality, deep struggles, and search for God. Selderhuis discusses the great Reformer's life as a child, young monk, and father; his career as a theologian, exegete, architect, and professor; and the reasons for his lasting importance.