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EAN-139780451209306   EAN-13 barcode 9780451209306
Product NameThe Unlikely Spy
LanguageEnglish
CategoryBook / Magazine / Publication
Short DescriptionPaperback
Amazon.comA Buy on Amazon ~ 0451209303
Price New4.90 US Dollars    (curriencies)
Price Used1.08 US Dollars    (curriencies)
Width1.56 inches    (convert)
Height7.56 inches    (convert)
Length4.25 inches    (convert)
Weight13.76 ounces    (convert)
AuthorDaniel Silva
Page Count752
BindingMass Market Paperback
Published05/06/2003
FeaturesGreat product!
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Created02-26-2012 6:32:25pm
Modified09-30-2017 9:53:26pm
MD57e2632a0b3d66b957e99f19e11914b57
SHA2569db497791e335f607ed3c233fc3dff454141fef58a6a5536ed9e8f53e641b5ce
Search Googleby EAN or by Title
Query Time0.0017860

ISBN stands for International Standard Book Number. Originally this was a 10 digit number known as ISBN-10, but has been replaced with a 13 digit version known as ISBN-13 (aka EAN-13) to better fit in with the industry standard product numbering system.

The ISBN system offers a unique numbering system for books and publications of various types. ISBN offers 9 identification digits for each book or publication and one check digit. ISBN-13 expands the available number set by doubling the available numbers. You might think that the extra three digits would more than double the available numbers but ISBN is limited within the EAN-13 numbering system and will always start with 978 or 979 as the first three digits, leaving only 9 more digits for the actual identification digits and again the last digit is the check digit.

Any ISBN-10 number can be converted to ISBN-13. Any ISBN-13 number that starts with 978 can be converted back to ISBN-10. ISBN-13 numbers that start with 979 cannot be converted to ISBN-10.

The conversion process from ISBN-10 to ISBN-13 is a rather simple one. Start with the first 9 digits of the ISBN-10 number, place 978 in front and calculate the new check digit using the standard EAN check digit calculation.

If you want to calculate the check digit for ISBN-10, that is done using a MOD-11 calculation that is very different than the EAN check digit process.

ISBN-1-5905-9332-4

Look at the number above and below the barcode. You will see that except for the last digit in the ISBN number, all of the digits exist in the 13 digit version shown under the barcode right after the 978 and just before the new check digit of 5.

Now you can see how easy it is to convert between ISBN-10 and ISBN-13.

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