Study in US has foudn that low income students reading levels decline at a greater rate because they don't have access to books, especially over summer holiday. Librarians need to get books into kids hands, not worry about books not being returned.
This is a very interesting article that appeared last week and has created a lot of comment online. There is quite a backlash against it including an article in the current Listener saying that there is no 'should' in reading for pleasure. I am firmly of the opinion that any reading is GOOD reading and won't apologise for what I read!