Do Library and Retail ISBNs have to be different?
Edited
No. Library and Retail ISBNs may be different or the same. We provide the option to have separate ISBNs if you'd like, but they are not required to be unique.
No. Library and Retail ISBNs may be different or the same. We provide the option to have separate ISBNs if you'd like, but they are not required to be unique.