With the holiday season in full affect you might be looking for a late holiday gift idea. well you can give yourself some free books when you make a donation supporting EFF (Electronic Frontier Foundation).
So if you make a donation on behalf of someone to fill in a late gift idea you can receive some free books from the used book exchange program at Bookmooch. For ever $10 donated you’ll receive one Bookmooch point. Details about the offer are available from ; http://blog.bookmooch.com/2009/12/22/my-holiday-wish-help-out-the-eff/ .