Used bookstores buy and sell used books and out-of-print books. A range of titles is available in used bookstores, including in print and out-of-print books. Book collectors tend to frequent used book stores. Large online bookstores offer used books for sale, too. Individuals wishing to sell their used books using online bookstores agree to terms outlined by the bookstore(s): for example, paying the online bookstore(s) a predetermined commission once the books have sold.