eCampus is a money saving textbook store where you can purchase, rent or sell back your college textbooks to save up to 90% on these expensive school requirements. They offer hard copies and e-textbooks at varying prices to help you get the best possible deals. They offer a rent or buy option and they have some great organizational tools to help you keep all your rentals and purchases straight. They also offer a buy in bulk discount that can save you even more money when you are buying several books at once. eCampus carries a huge range of required reading and reference materials that you can easily find using the book's ISBN number on the website. You can save a ton of money on your college textbooks and have more money for fun collegiate activities when you shop at this great site.