A few but growing number of game publishers use international standard book numbers (ISBNs) on their non-book game products. The vast majority of retailers will only accept products with standardized product codes; accounting and inventory are simply impossible without them. Games, one would assume, should have universal product codes (UPC/EAN-13s) rather than ISBNs (ISBNs are, in fact, a subset of EAN-13s). If you …
Why Do Some Board Games Have ISBNs?
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