Textbook buyback website

I need someone to create me a website through which users will be able to sell their used textbooks ... The system should use [login to view URL] sales rank and pricing information in the coding and offering a condition based buyback. Example new 20%, Very good 10%, Good 5% for the top 100,000 [login to view URL] sells rank in books. [login to view URL] API coding So basically the website should have the following features: A website that can search ISBN and display all the information about the book being sort Can search Amazon, ebay and other site for the existence, cost and competitors sites for the books at those sites Determine the subject and need of the books (Amazon top 100,000 sales rank only) Determine details of the books, publish dates etc Determine how many of the book is in the market for sale Determine buyback price of the books Customer log in account and information Password retrieve systems and security access Book mailing system and label with my return label - Please this is very important, so if you have experience with this part, it will be a plus for you in the selection process of the winner of this project. Please look at these websites to understand the complete concept: [login to view URL] [login to view URL] I will give complete details to the winning user and if you have any question you are welcomed to ask. This project is for experienced groups of freelancers so please make sure to understand the REQUIREMENTS before placing your bid. Once again, bidders who have worked on a project like this one will have a big plus on the selection process. After you place your bid, please send me a message explaining how do you understand the concept of the website and how do you plan on building the website/system. We also plan on expanding into cellphones and other electronics in the future. So more work will be needed. Happy bidding!