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EAN-139781849902311   EAN-13 barcode 9781849902311
Product NameDoctor Who Encyclopedia (New Edition)
CategoryBook / Magazine / Publication
Amazon.comA Buy on Amazon ~ 1849902313
SKU749781849902311
Price New19.12 US Dollars    (curriencies)
Price Used2.36 US Dollars    (curriencies)
Width1.16 inches    (convert)
Height9.82 inches    (convert)
Length7.71 inches    (convert)
Weight52 ounces    (convert)
AuthorGary Russell
Page Count400
BindingHardcover
Published12/06/2011
Featuresdoctor who encyclopedia
Long DescriptionCompletely revised and updated, the Doctor Who Encyclopedia is the ultimate fan''s guide to all things Doctor Who. Packed with photos, concept drawings, illustrations and artwork, and including the Christopher Eccleston, David Tennant, and Matt Smith incarnations of the Doctor, learn every fact and discover every figure from every episode.
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Created01-09-2013 1:01:34pm
Modified03-14-2017 9:30:54pm
MD57981678b47df9b8e15fdb54246db6d7a
SHA256b3dcaf2562dd9e4588c8755506fac68902d836db06c2187ca1eb8af43f7533d6
Search Googleby EAN or by Title
Query Time0.0246840

Article of interest

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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