Strange Case of Dr. Jekyll and Mr. Hyde

The classic psychological mystery. According to Wikipedia: "e;Robert Louis Balfour Stevenson (13 November 1850-3 December 1894), was a Scottish novelist, poet, essayist and travel writer. He was the man who "e;seemed to pick the right word up on the point of his pen, like a man playing spillikins"e;, as G. K. Chesterton put it."e;