ISBN 8007401964 hat failed the check­sum digit test.
The following 12 formally correct ISBNs were determined. Starting from these ISBNs the value 8007401964 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: former Czechoslovakia
ISBNas­su­med er­rorCatalogs for checking
80-02-40196-4fourth digit was chan­ged. amazon.co.uk amazon.com amazon.de
80-07-00196-4fifth digit was chan­ged. amazon.co.uk amazon.com amazon.de
80-07-40116-4eighth digit was chan­ged. amazon.co.uk amazon.com amazon.de
80-07-40194-69th and 10th digits were swap­ped. amazon.co.uk amazon.com amazon.de
80-07-40195-4ninth digit was chan­ged. amazon.co.uk amazon.com amazon.de
80-07-40196-2tenth digit was chan­ged. amazon.co.uk amazon.com amazon.de
80-07-40496-17th and 10th digits were swap­ped. amazon.co.uk amazon.com amazon.de
80-07-40696-4seven­th digit was chan­ged. amazon.co.uk amazon.com amazon.de
80-07-44196-4sixth digit was chan­ged. amazon.co.uk amazon.com amazon.de
80-87401-96-4third digit was chan­ged. amazon.co.uk amazon.com amazon.de
 
ISBN prefix group: India
ISBNas­su­med er­rorCatalogs for checking
81-07-40196-4second digit was chan­ged. amazon.co.uk amazon.com amazon.de
 
ISBN prefix group: former Yugoslavia
ISBNas­su­med er­rorCatalogs for checking
86-07-40190-42nd and 9th digits were swap­ped. amazon.co.uk amazon.com amazon.de

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