Artificial Nutrition and Hydration and the Permanently Unconscious Patient. The Catholic Debate. Edited by Ronald P. Hamel and James J. Walter . Pp.294, Washington, D.C., Georgetown University Press, 2007, US$29.95. Medically Assisted Death. By Robert Young. Pp.251, Cambridge, Cambridge University Press, 2007, £11.95. Assisted Dying & Legal Change. By Penney Lewis. Pp.217, Oxford, Oxford University Press, 2007, £42 (hardback)/US$95.