ISBN 8001043868 hat failed the check­sum digit test.
The following 14 formally correct ISBNs were determined. Starting from these ISBNs the value 8001043868 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: Japan
ISBNas­su­med er­rorCatalogs for checking
4-00-108386-81st and 6th digits were swap­ped. amazon.co.uk amazon.com amazon.de
 
ISBN prefix group: Iran
ISBNas­su­med er­rorCatalogs for checking
600-104-386-8first digit was chan­ged. amazon.co.uk amazon.com amazon.de
 
ISBN prefix group: former Czechoslovakia
ISBNas­su­med er­rorCatalogs for checking
80-01-00386-8sixth digit was chan­ged. amazon.co.uk amazon.com amazon.de
80-01-04356-8eighth digit was chan­ged. amazon.co.uk amazon.com amazon.de
80-01-04386-Xtenth digit was chan­ged. amazon.co.uk amazon.com amazon.de
80-01-04387-8ninth digit was chan­ged. amazon.co.uk amazon.com amazon.de
80-01-04388-69th and 10th digits were swap­ped. amazon.co.uk amazon.com amazon.de
80-01-04986-8seven­th digit was chan­ged. amazon.co.uk amazon.com amazon.de
80-01-44386-8fifth digit was chan­ged. amazon.co.uk amazon.com amazon.de
80-01-64380-85th and 9th digits were swap­ped. amazon.co.uk amazon.com amazon.de
80-01-84306-85th and 8th digits were swap­ped. amazon.co.uk amazon.com amazon.de
80-06-04386-8fourth digit was chan­ged. amazon.co.uk amazon.com amazon.de
80-310-4386-8third digit was chan­ged. amazon.co.uk amazon.com amazon.de
 
ISBN prefix group: India
ISBNas­su­med er­rorCatalogs for checking
81-00-04386-82nd and 4th digits were swap­ped. amazon.co.uk amazon.com amazon.de

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