Answer:
I would say around $100.00. But you can get them considerably cheaper online. But the problem is that there are literally hundreds of textbooks retailers and rental sites online. That's why I use http://www.bigwords.com They are a textbook search engine that searches all the online textbook retailers and rental sites to find you the best prices. And at the end of the semester you can use them to search for resellers to sell your book to. All the search results are organized by price so you can buy your books for the lowest prices and sell them back for the highest.