Stories scare those who haven’t even read them — Which writer is more dangerous, Ernest Hemingway or Hellen Keller? ‘Dangerous,’ you ask? The Old Man and The Sea? What about Optimism? Absurd, right? Maybe don’t answer too quickly before reading about the May 10, 1933, book burnings in Germany. These two authors were among the 25,000 ‘un-German’ volumes thrown…