During a 1960 interview, East German writer Christa Wolf was asked a curious question: would she describe in detail what she did on September 27th? Fascinated by considering the significance of a single day over many years, Wolf began keeping a detailed diary of September 27th, a practice which she carried on for more than fifty years until her death in 2011. The first volume of these notes covered 1960 through 2000 was published to great acclaim...