Luther in Love opens on a frigid night at the Augustinian cloister in Wittenberg, Katharina von Bora Luther bent over her candle writing something, trying to keep it from her husband's eyes. The story unfolds memoir-esque from Katie's perspective, breaking into clusters of chapters in third person, then back to Katie from time to time throughout the biographical novel. How does an apostate nun live with an apostate monk, and such a monk? There is a giant in the land, and the giant is Luther: bold, bombastic, fearless, vitriolic to his opponents, given to dark bouts of depression and...