Fifty Shades of Grey bolsters the book biz

As an author who's about to publish his third book in October (shameless plug: Reel Terror), it is comforting to know that the book business is doing pretty well right now. 

Harry Potter vs. Fifty Shades of Gray!?

You’d never think of reading about Harry Potter and Fifty Shades of Gray in the same sentence, but there is one important similarity that shouldn't be overlooked.