Human freedom, Christian righteousness. Philip Melanchthon's exegetical dispute with Erasmus of Rotterdam. By Timothy J. Wengert. (Oxford Studies in Historical Theology.) Pp. xiii+239. New York–Oxford: Oxford University Press, 1998. £42. 0 19511529 5 Law and gospel. Philip Melanchthon's debate with John Agricola of Eisleben over poenitentia. By Timothy J. Wengert. (Texts and Studies in Reformation and Post-Reformation, Thought.) Pp. 231. Grand Rapids, MI: Baker Books/Carlisle: Paternoster Press, 1997. £19.99 (paper). 0 8010 2158 8; 0 85364 844 7