I normally use Books Run to sell my textbooks, but for two of the books I had, Textbook Rush was offering more. It doesn't matter because I still have not received my check. When I contacted their "customer service," they gave me the runaround and told me that I would have to wait 45 days before they would do anything. I have NEVER had this problem with Books Run. I will never recommend Textbook Rush to anyone. That was a tough $77.90 lessen to me.