ISBN 9638636140 hat failed the check­sum digit test.
The following 12 formally correct ISBNs were determined. Starting from these ISBNs the value 9638636140 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
0-638-63614-0first digit was chan­ged. amazon.co.uk amazon.com amazon.de
 
ISBN prefix group: Greece
ISBNas­su­med er­rorCatalogs for checking
960-86361-4-0third digit was chan­ged. amazon.co.uk amazon.com amazon.de
 
ISBN prefix group: Hungary
ISBNas­su­med er­rorCatalogs for checking
963-363-614-0fourth digit was chan­ged. amazon.co.uk amazon.com amazon.de
963-683-614-04th and 5th digits were swap­ped. amazon.co.uk amazon.com amazon.de
963-8236-14-0fifth digit was chan­ged. amazon.co.uk amazon.com amazon.de
963-86301-4-0seven­th digit was chan­ged. amazon.co.uk amazon.com amazon.de
963-86360-4-18th and 10th digits were swap­ped. amazon.co.uk amazon.com amazon.de
963-86361-3-0ninth digit was chan­ged. amazon.co.uk amazon.com amazon.de
963-86361-4-9tenth digit was chan­ged. amazon.co.uk amazon.com amazon.de
963-86364-4-0eighth digit was chan­ged. amazon.co.uk amazon.com amazon.de
963-86761-4-0sixth digit was chan­ged. amazon.co.uk amazon.com amazon.de
 
ISBN prefix group: Romania
ISBNas­su­med er­rorCatalogs for checking
973-86361-4-0second digit was chan­ged. amazon.co.uk amazon.com amazon.de

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