If you have children in college student, you know how expensive it can be purchasing textbooks every semester. One of the best ways to save money on your textbooks is by shopping for them online. Don't bother with the campus bookstore's high prices. By shopping online, you have the option to purchase or rent your textbooks. In many cases, textbook rental can save you money. Check out the deals you can find from top-notch booksellers such as Ecampus, CourseSmart, Chegg and BookRenter. With coupons and promo codes from Giving Assistant, you can save even more on the books you need.