What is an ISBN or UPC number and how do I find it?
ISBN and UPC codes are unique catalogue numbers that identify a particular item. They can be usually be found on the back cover of your product.
Pictured are some examples to help you find the ISBN or UPC number of your book.
More tips on ISBN and UPC numbers:
If the ISBN for your book isn't found, try entering the UPC.
Some ISBNs end with an X; make sure you enter it as part of the ISBN.
While books may have more than one UPC-like barcode, each book has a single ISBN.
When entering UPCs, make sure you include any smaller numerals that appear to the left or right of the main barcode numerals.
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