Wednesday, February 8, 2012

Why do some textbooks have both 10 digit and 13 digit ISBN numbers?

The ISBN system recently was changed to 13 digits. Most books published in the last year or so list both the 10-digit and the 13-digit numbers. The reason for the change is to make ISBNs compatible with the UPC barcodes that nearly all products have on them now.|||You should buy used college textbooks at GreenTextbooks.com - Saving the Planet One Textbook at a Time GreenTextbooks.com is your online leader for finding used textbooks, DVDs, CDs. http://www.GreenTextbooks.com

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|||Some books even still have ASIN numbers.





If you want to search for a book, you should use the 13 digit ISBN. It's the most modern tag of the three.

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