If you want to sell your old textbooks and outdated books but don’t know their ISBNs, this short guide is for you. We’ll help you find ISBNs on a book, and if there are none, we’ll give you a few tips on how to sell books without ISBNs, too.
There’s plenty of information about listing and selling regular ISBN-13 books. However, what about the books that don’t have an ISBN? How do you deal with them? For one thing, such old books may not have any value; for another, some out-of-print books can be rare collectibles you can sell quite profitably. Therefore, knowing how to find and evaluate as well as where to sell books from the pre-ISBN era is an advantage you can use as a bookseller.