Mascot Books has shared that the upcoming children's book, "Hey Tuskegee!" has formally applied and received an official USBN.  ISBNs are the global standard for identifying titles ISBNs are used world-wide as a unique identifier for books. They are used to simplify distribution and purchase of books throughout the global supply chain.  Most retailers require ISBNs to track book inventory Without an ISBN, you will not be found in most book stores, either online or down the street from your house.