The 10 and 13 after the ISBN indicates the number of digits in the ISBN. Due to growth in books published the 10 digits ISBN numbers are running out and are being replaced with the 13 digit numbers. The ISBN-10 is being phased out.
What is the difference between an ISBN-10 and an ISBN-13? Print
Modified on: Thu, 7 Jan, 2016 at 12:25 PM
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