Spiritual Formation Author:Henri Nouwen Henri Nouwen, beloved author, priest and spiritual guide, counseled many people during his lifetime, but his principles of spiritual formation were never written down. Now, Michael Christensen, one of Nouwen's longtime students, and Rebecca Laird have taken his famous course in spiritual formation and supplemented it with his unpublished writing... more »s to reveal Nouwen's sage advice on how to live out the five classic stages of spiritual development.« less