I heard someone mention this the other day, in theory, so I thought I'd present it here and get you guys' thoughts. I'm referring only to mass market paperbacks, not paper books in general. You know the ones that are smaller than trade paper, about five inches tall. They were called 'pocket books' and usually seen in convenience stores and airports. The theory is that the e-book is replacing this sector of the market. (again, not hardbacks and trade paper, just mass markets) Anyone got an opinion on this? Thanks in advance.