It's a great way for the children themselves to get into the spirit of sharing and giving. As for the other books: a good bookcase owner curates and tosses out

It's a great way for the children themselves to get into the spirit of sharing and giving. As for the other books: a good bookcase owner curates and tosses out titles that won't ever get taken or borrowed. If you don't, the bookcase will stagnate because it's full, but nobody is ever taking the books in it out.