How do I locate my ISBN or UPC
An ISBN is a 10 or 13 digit number placed on the back cover or inside the front cover of nearly all books. I t is a unique tracking number for the book title in the book industry. You can enter the ISBN into our system with or without the dashes, but don't leave off the leading zeros. Occasionally an ISBN will end with an X. All Media Sales.net will accept either the 10-digit or the 13-digit ISBN.
The 13-digit ISBNs should start with the numbers 978. Your book may have a 10-digit ISBN, or a 13-digit ISBN, or both (if your book has both, only enter the 13-digit number).
An ISBN is normally located on the back cover, immediately above the barcode. If you cannot find the book's ISBN on the exterior of the book, open the front cover and check on the page just following the title page. This page is the copyright page and includes data about the copyright date, the author and publisher. The ISBN is a 10 or 13 digit number, and is placed at the middle or at the bottom of the copyright page. If the book was published before the 1970s, it may not have an ISBN.