Franz G ll was a thoroughly typical Berliner. He worked as a clerk, sometimes as a postal employee, night watchman, or publisher's assistant. He enjoyed the movies, ate spice cake, wore a fedora, tamed sparrows, and drank beer or schnapps. He lived his entire life in a two-room apartment in Rote Insel, Berlin's famous working-class district. What makes Franz G ll different is that he left behind one of the most comprehensive diaries available from...