Discipleship: Dietrich Bonhoeffer Works, Volume 4"Cheap grace is the mortal enemy of our church. Our struggle today is for costly grace." And with that sharp warning to his own church, which was engaged in bitter conflict with the official nazified state church, Dietrich Bonhoeffer began his book Discipleship (formerly entitled The Cost of Discipleship). Originally published in 1937, it soon became a classic exposition of what it means to follow Christ in a modern world beset by a dangerous and