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EAN-139780807272954   EAN-13 barcode 9780807272954
Product NameThen Again, Maybe I Won't
LanguageEnglish
CategoryBook / Magazine / Publication
Amazon.comA Buy on Amazon ~ 0807272957
SKU1001-WS1401-A03010-0807272957
Price New181.76 US Dollars    (curriencies)
Price Used4.87 US Dollars    (curriencies)
Width6.25 inches    (convert)
Height9.25 inches    (convert)
Length1.25 inches    (convert)
AuthorJudy Blume
Page Count3
BindingAudio Cassette
Published06/01/1989
FeaturesUsed Book in Good Condition
Long DescriptionReader TBA Approx. 3 hrs. 45 mins. 3 cassettes Ever since his dad got rich from an invention and his family moved to a wealthy neighborhood on Long Island, Tony Miglione's life has been turned upside down. For starters, there's his new friend Joel, who shoplifts. Then there's Joel's sixteen-year-old sister, Lisa, who gets undressed every night without pulling down her shades. And there's Grandma, who won't come down from her bedroom. On top of all his other worries, Tony has questions about growing up… Why couldn't things have stayed the same?
Created11-22-2012 12:07:40pm
Modified05-01-2020 2:36:32am
MD5de06091644ae2d58a39d9813cdc55aac
SHA256d1d5c2691b3170fa2bbebe044de22a07243423fbe2449459ec343079b9878aec
Search Googleby EAN or by Title
Query Time0.0060241

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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