The expert in American Literature discuses The Turn of the Screw by Henry James.

Hay Levels are 3 minute films from some of the world's greatest writers and thinkers. So if you want to know about the Big Bang, the Great War or the Quick Thaw; if you want some new ideas on Frankenstein or Immunity or Globalisation; on sex, or war or money...welcome to the Hay Levels. The Hay Levels project is supported by our partners, the Tata group.