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==ISBN/ISSN== | |||
Books (manga volumes) have ISBN (International Standard Book Number) numbers that look something like this: '''ISBN4-87306-174-1'''. The example is in 10-digit format, however, since 1st of January 2007, ISBNs have contained 13 digits. Identical numbers can be seen below one of the barcodes, continuing with the same example, the numbers below the barcode are '''9784873061740'''. Note that this has 13 digits with the addition of 978, and since 2007 that number is also included in ISBN. | |||
An ISBN consists of 4 or 5 parts: | |||
#for a 13 digit ISBN, a GS1 prefix: 978 or 979 (indicating the industry; in this case, 978 denotes book publishing). This number is not present for manga volumes published before January of 2007. This makes little difference, though, since all manga have the code 978 which means it's a book. | |||
#the group identifier, (language-sharing country group). Japan is 4. If a manga was licensed in the US and is published there, it would have 0 or 1. | |||
#the publisher code. In given example, 87306 is Angel Comics (porn). | |||
#the item number, (title of the book). In given example, 174 is Full Course by Nico Pun Nise (porn). | |||
# | |||
==External Resources== | ==External Resources== | ||