Locating a book’s unique identification number, typically a 10- or 13-digit code, is often necessary for various purposes. This number allows for precise identification of a specific edition of a book, differentiating it from other editions or formats. For example, a hardcover, paperback, and audiobook version of the same title will each have a distinct identifying code. This number is usually found on the back cover of a book, typically near the barcode. It can also often be found on the copyright page, usually located at the beginning of the book.
This unique identification number is crucial for booksellers, libraries, publishers, and readers alike. It facilitates accurate inventory management, efficient ordering processes, and precise bibliographic referencing. Historically, these numbers were developed to streamline book handling within the supply chain. Today, they play an essential role in the digital age, enabling online book searches, database management, and international book commerce. They help ensure that the correct edition of a book is identified, acquired, and utilized.