I also have to mention something really cool. When you rent from their site, they donate to Operation Smile, which I've talked about on my blog before. Operation Smile does amazing things for children and you can read all about it here.
And of course, I have to mention a new program that Campus Book Rentals offers which is called RentBack. It allows students to rent the textbooks that they own to other students. This means more money in their pocket - 2 to 4 times more money compared to selling the book! This video explains it all:
If you're in school now, or know someone who is, you definitely need to take advantage of what Campus Book Rentals has to offer. Why pay more to buy books when you can rent them? It's a no-brainer!