I sold back numerous college text books and received a check in the mail for 1/3 of the amount that should have been given. I was told they only received 5 of 7 books and the two that were missing were the most expensive and the largest. It seemed like quite a coincidence that the most expensive books went missing when they were all shipped in the same box. Nowhere on the website is a valid number to call without leaving a message. I asked numerous times for a phone number to speak with someone and was rudely ignored. Failed to return calls, would only email and supplied horrible and untrustworthy service. read full review »