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The series of numbers could be one of two things: an ISBN or a publisher's number line. The International Standard Book Number, or ISBN, is a 10-digit code unique to that book edition. Like a barcode number for books, it allows booksellers, libraries, and distributors to keep track of their inventory. Every book sold has an ISBN. This number is divided into four parts: - Country Identifier - This indicates where the book was published.
- Publisher Identifier - All publishers have individual code numbers.
- Title Identifier - Indicates the particular printing details of the book.
- Check Digit - A single number that validates the ISBN to the tracking machine.
Publishing numbers, however, are
provided by the publisher to indicate the print batch of the book (not the book's edition). They usually appear as numbers in ascending or descending order. As book collector Rebecca Hanneman explains, an edition refers to all copies of a book printed within a specific typeset at any given time. A printing, however, refers to a particular batch printed at a specific time. We hope that clears things up so you can get back to reading!
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