I mean the books in the basement, are they books you would suggest to someone to read, give to a partner, child, or friend? This is one of the values I have in a library of books many of which myself I'll likely never read again. Giving the right one to the right person.
I'd probably suggest any book I like in which case I wouldn't be as eager to get rid of it. I think you might have me mixed up with another user because I don't have a large library and didn't suggest I did.