A previously unknown novel by one of Europe’s most influential postwar journalists which captures the heady yet fragile spirit of the final days of the Weimar Republic has been published in Germany after his children discovered the hand-written manuscript in his desk. More than nine decades after he wrote it, Sebastian Haffner’s Abschied or Parting has soared to the top of the Spiegel bestseller list following its debut earlier this month. Haffner, who fled Nazi Berlin with his Jewish fiancee in 1938, achieved instant recognition in 1940 with his penetrating prewar classic Germany: Jekyll and Hyde. Winston Churchill is said...