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Old 03-30-2011, 12:53 PM   #30
theducks
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Join Date: Aug 2009
Location: (The original) Silicon Valley, USA
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Quote:
isbn will always start with 978 or 979 and will have 10 or 13 digits (or 1 less and x at the end)
http://www.isbn-international.org/faqs/view/5#q_5
Note:
ISBN-13 can not have an 'X' (EAN13 is digits only), that only applies to ISBN-10
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