Sony ebookstore has 10 free ebooks available for download. These are "books" not "audio books". Text is all you get and few pictures may be. The offer is good until Feb. 28, 2009. Sony eReader by itself has good reviews. But when compared with Amazon Kindle it is clearly a winner. It has a very big collection of books and wifi sync.
Get them at http://ebookstore.sony../…Free/