ISBN 9630957502 hat failed the check­sum digit test.
The following 16 formally correct ISBNs were determined. Starting from these ISBNs the value 9630957502 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
0-630-95759-21st and 9th digits were swap­ped. amazon.co.uk amazon.com amazon.de
 
ISBN prefix group: Japan
ISBNas­su­med er­rorCatalogs for checking
4-630-95750-2first digit was chan­ged. amazon.co.uk amazon.com amazon.de
 
ISBN prefix group: former U.S.S.R
ISBNas­su­med er­rorCatalogs for checking
5-630-95790-21st and 8th digits were swap­ped. amazon.co.uk amazon.com amazon.de
 
ISBN prefix group: Croatia
ISBNas­su­med er­rorCatalogs for checking
953-0-95760-22nd and 8th digits were swap­ped. amazon.co.uk amazon.com amazon.de
 
ISBN prefix group: Hungary
ISBNas­su­med er­rorCatalogs for checking
963-08-5750-2fifth digit was chan­ged. amazon.co.uk amazon.com amazon.de
963-09-5050-2seven­th digit was chan­ged. amazon.co.uk amazon.com amazon.de
963-09-5720-58th and 10th digits were swap­ped. amazon.co.uk amazon.com amazon.de
963-09-5730-2eighth digit was chan­ged. amazon.co.uk amazon.com amazon.de
963-09-5750-7tenth digit was chan­ged. amazon.co.uk amazon.com amazon.de
963-09-5758-2ninth digit was chan­ged. amazon.co.uk amazon.com amazon.de
963-09-6750-2sixth digit was chan­ged. amazon.co.uk amazon.com amazon.de
963-7957-50-2fourth digit was chan­ged. amazon.co.uk amazon.com amazon.de
 
ISBN prefix group: Israel
ISBNas­su­med er­rorCatalogs for checking
965-09-5750-2third digit was chan­ged. amazon.co.uk amazon.com amazon.de
 
ISBN prefix group: Malaysia
ISBNas­su­med er­rorCatalogs for checking
967-0953-50-23rd and 7th digits were swap­ped. amazon.co.uk amazon.com amazon.de
 
ISBN prefix group: Romania
ISBNas­su­med er­rorCatalogs for checking
973-0-95650-22nd and 7th digits were swap­ped. amazon.co.uk amazon.com amazon.de
 
ISBN prefix group: Costa Rica
ISBNas­su­med er­rorCatalogs for checking
9930-9575-0-2second digit was chan­ged. amazon.co.uk amazon.com amazon.de

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