Related to this topic, Just a couple weeks ago Neil Gaiman posted that
The Graveyard Book had spent more than a whole year in the top 10 of the New York Times Bestseller list, despite the fact that the entire thing has been posted online, each chapter read aloud by the author as part of his book tour for nearly that entire time. If you would like to listen to
The Graveyard Book,
it's still online.