ISBN 9631418150 hat failed the check­sum digit test.
The following 15 formally correct ISBNs were determined. Starting from these ISBNs the value 9631418150 that you input could have resulted frome one error (error in one digit or transposition of two digits.) You can now check using the links given for the catalogs of amazon.co.uk, amazon.com and amazon.de whether any book is listed for the respective URL. To the home page
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ISBN prefix group: English language
ISBNas­su­med er­rorCatalogs for checking
1-63149-815-01st and 6th digits were swap­ped. amazon.co.uk amazon.com amazon.de
 
ISBN prefix group: former U.S.S.R
ISBNas­su­med er­rorCatalogs for checking
5-631-41815-0first digit was chan­ged. amazon.co.uk amazon.com amazon.de
 
ISBN prefix group: Netherlands
ISBNas­su­med er­rorCatalogs for checking
94-314-1815-0second digit was chan­ged. amazon.co.uk amazon.com amazon.de
 
ISBN prefix group: Croatia
ISBNas­su­med er­rorCatalogs for checking
953-14-1816-02nd and 9th digits were swap­ped. amazon.co.uk amazon.com amazon.de
 
ISBN prefix group: Hungary
ISBNas­su­med er­rorCatalogs for checking
963-04-1815-0fourth digit was chan­ged. amazon.co.uk amazon.com amazon.de
963-11-1815-0fifth digit was chan­ged. amazon.co.uk amazon.com amazon.de
963-14-1185-07th and 8th digits were swap­ped. amazon.co.uk amazon.com amazon.de
963-14-1815-4tenth digit was chan­ged. amazon.co.uk amazon.com amazon.de
963-14-1817-0ninth digit was chan­ged. amazon.co.uk amazon.com amazon.de
963-14-1851-08th and 9th digits were swap­ped. amazon.co.uk amazon.com amazon.de
963-14-1865-0eighth digit was chan­ged. amazon.co.uk amazon.com amazon.de
963-14-1915-0seven­th digit was chan­ged. amazon.co.uk amazon.com amazon.de
963-14-4815-0sixth digit was chan­ged. amazon.co.uk amazon.com amazon.de
963-15-1814-05th and 9th digits were swap­ped. amazon.co.uk amazon.com amazon.de
 
ISBN prefix group: Pakistan
ISBNas­su­med er­rorCatalogs for checking
969-1-41815-0third digit was chan­ged. amazon.co.uk amazon.com amazon.de

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