So school has started and you already have to make big decisions like: money for books or food for the entire year?! The cost of books has definitely spiked over the past 8 years, but thanks to technology- specifically online retailers, auctions sites and classifieds- the cost of any one book can range drastically. If money is tight, skip the school bookstore line and check out some of the sites below. Book Rentals : There are a slew of new sites that will loan you a college textbook for the semester and charge you about 1/3 of what it would cost to purchase (not counting the space it would more