Novelist Sigrid Undset (1882-1949) left a mark on twentieth-century literature, not only in her homeland of Norway, but across the West. Her painterly eye for the Scandinavian countryside, her uncompromising emotional realism, her concrete sense of history, her bold vision of woman and man--these won her such acclaim that she received the 1928 Nobel Prize for Literature, not long after the publication of her epic historical novel, Kristin Lavransdatter. During...