In exploring the spiritual dimensions of Dietrich Bonhoeffer's life and writings, this new book not only fills a crucial gap in Bonhoeffer studies but it also brings to the fore those aspects of his thought that can inform and inspire moral leadership today. The Cost of Moral Leadership probes the spirituality of this modern Christian martyr and shows how his spiritual life formed him into an exceptional moral leader in a period known for grievous immorality. Geffrey Kelly and F. Burton Nelson explore Bonhoeffer's spirituality in the context of his life story, his work for social justice, his Christocentric theology, his emphasis on discipleship, his preaching, and his prolific writing.