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FAQs: How Changes Affect the ISBN
If the price of the book changes, does the ISBN?
If changing the cover of a book, does a new ISBN have to be assigned?
If typos are being corrected, is a new ISBN necessary?

If the price of the book changes, does the ISBN?
No. The ISBN only changes if the product changes.

If changing the cover of a book, does a new ISBN have to be assigned?
US practice is if the book is just out or the idea is to give a marketing boost to the product, then no, a new ISBN should not be assigned. However, if the change in cover substantially changes the product (ie., would lead to customer complaints), then a new ISBN should be used.

If typos are being corrected, is a new ISBN necessary?
No.
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