The Luther effect in Eastern Europe. History – culture – memory. Edited by Joachim Bahlcke, Beate Störtkuhl and Matthias Weber and translated by Sarah Patey. (Federal Institute for Culture and History of the Germans in Eastern Europe, 69.) Pp. 379 incl. 242 colour figs, 4 colour maps and 1 table. Boston–Berlin: De Gruyter, 2017. €29.95. 978 3 11 053767 3 - King Sigismund of Poland and Martin Luther. The Reformation before confessionalization. By Natalia Nowakowska. Pp. xiv + 279 incl. 6 ills. Oxford–New York: Oxford University Press, 2018. £65. 978 0 19 881345 3