I forget how many megabytes of books that were on there, but I was surprise, because most of these are novels. I haven't bought a card for extra books yet, but I think it's limiting how much non-B&N content I can put in the main area. Added them via calibre.
Worse than that is that I can see my library, settings or anything else except the wifi access page (I think I already said this, but this is my main gripe -- can't even see what I put on there, let alone read it.).