Donate used books to a library.
Give the Gift of Literacy
Do you have some books collecting dust on a shelf? Why not pack them up and take them to the local library? Local libraries can often use the books in their current circulation or sell them during a "Book Sale" to raise money for the library.
We know it makes you look smart to have a bunch of books on the bookshelves at home, but you'll look even cooler when you're being alturistic. And, you can pick up a new book while you're at the library!