The cover of Robert Louis Stevenson’s ‘Dr. Jekyll and Mr. Hyde.’ | Penguin Random House (book cover), Justin Dodd/Mental Floss (background) ...

Jekyll admits that he knows the identity of the man prowling the streets under the cover of darkness. His name is Edward Hyde. But Utterson cannot work out the connection between these two men.

Robert Louis Stevenson is reputed to have thrown his first draft of 'Strange Case of Dr. Jekyll and Mr. Hyde' into the fire. But was he the real literary arsonist?