If you need to sell books, I can recommend https://booksrun.com/books/sell . It's a great service that helps you sell any kind of books easily and quickly, whether it's textbooks, fiction, reference books or collector's editions. With BooksRun, the process of selling books is very simple. You enter your books details on the site, and you get a price offer. Once you accept the offer, you are given free shipping. You simply ship the books and after verification, you are remitted the money. I have used this service myself and have been very pleased - fast, convenient and hassle free. If you have rare or collectible editions, you should also try BooksRun - they accept books in different states and different genres. Hope this information helps you out!