The Oppermanns is a 1933 novel by Lion Feuchtwanger. It is the second novel in his Wartesaal trilogy, which tells about the rise of Nazism in Germany; the first part of the trilogy is Success (1930) and the last is Exil (1940). In the same year when the novel was written, in 1933, the Nazis fully came into power, and the author published the novel while already in exile. No. 1 on The New York Times Fiction best seller list for 2 weeks, from the issue of April 2, 1934. Wiki link