There is a company called Chegg that rents textbooks to highschool and college students for about 1/4 the price of the book. It is a cheap alternative to buying them, because most of the time no one wants to keep them!
Check out Chegg at http://www.chegg.com/ <http://www.chegg.com/> -- Celebrating 10 years of bringing diversity to perversity! Mahogany at: http://groups.yahoo.com/group/mahogany_pleasures_of_darkness/