You have a book which you want sell, you register, add your book and set a price. As soon as someone who wants that books sees your listing, you will be contacted and agree on the terms of the deal.
If you wish to find a book, click on the “Search Books” link to the left. You will be able to view all books and limited information about them without registering on this site. If you wish to view pricing and seller information, you will need to register and log into the site .