In 1975 Annie Dillard took up residence on an island in Puget Sound in a wooded room furnished with "one enormous window, one cat, one spider and one person." For the next two years she asked herself questions about time, reality, sacrifice death, and the will of God. In Holy the Firm she writes about a moth consumed in a candle flame, about a seven-year-old girl burned in an airplane accident, about a baptism on a cold beach. But behind the moving...