Lex Charitatis: A Juristic Disquisition on Law in the Theology of Martin Luther. By Johannes Heckel. Edited by Martin Heckel. Translated by Gottfried G. Krodel. William B. Eerdmans Publishing Company2010. Pp. 680. $25.20. Paper. ISBN: 0-802-86445-7. (Journal of law and religion, 2010)