ISBN 671208141 was input with 9 digits (one digit too few).
The ISBN 671208141 that you entered has got 9 digits, i.e. one digit is missing to make a valid ISBN. You can find information on the format of an ISBN on the home page of this site. This site has found the following 10 numerically correct ISBN out of which the ISBN that you input coule have resulted by a single error (dropping one digit). You can now check out these suggestions in the databases of the following booksellers' sites: amazon.co.uk (UK), amazon.com (USA) and amazon.de (Germany). Additional sites to search by ISBN (in this case, in catalogs of libraries) are e.g. the Library of Congress (USA) or the search gateway of the Deutsche Bibliothek. To the home page
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ISBN prefix group: [no known group prefix]
ISBNas­su­med er­rorCatalogs for checking
6710208141fourth digit was drop­ped. amazon.co.uk amazon.com amazon.de
6712048141sixth digit was drop­ped. amazon.co.uk amazon.com amazon.de
6712081041eighth digit was drop­ped. amazon.co.uk amazon.com amazon.de
6712081416tenth digit was drop­ped. amazon.co.uk amazon.com amazon.de
6712081491ninth digit was drop­ped. amazon.co.uk amazon.com amazon.de
6712083141seven­th digit was drop­ped. amazon.co.uk amazon.com amazon.de
6712708141fifth digit was drop­ped. amazon.co.uk amazon.com amazon.de
6771208141second digit was drop­ped.
or
third digit was drop­ped.		 amazon.co.uk amazon.com amazon.de
 
ISBN prefix group: former Yugoslavia
ISBNas­su­med er­rorCatalogs for checking
86-7120-814-1first digit was drop­ped. amazon.co.uk amazon.com amazon.de

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