ISBN 8071924791 hat failed the check­sum digit test.
The following 13 formally correct ISBNs were determined. Starting from these ISBNs the value 8071924791 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
1-0789-2479-11st and 4th digits were swap­ped. amazon.co.uk amazon.com amazon.de
 
ISBN prefix group: China, People's Republic
ISBNas­su­med er­rorCatalogs for checking
7-07-192479-1first digit was chan­ged. amazon.co.uk amazon.com amazon.de
 
ISBN prefix group: former Czechoslovakia
ISBNas­su­med er­rorCatalogs for checking
80-319-2479-1third digit was chan­ged. amazon.co.uk amazon.com amazon.de
80-7102-479-1fifth digit was chan­ged. amazon.co.uk amazon.com amazon.de
80-7142-979-15th and 7th digits were swap­ped. amazon.co.uk amazon.com amazon.de
80-7190-479-1sixth digit was chan­ged. amazon.co.uk amazon.com amazon.de
80-7192-409-1eighth digit was chan­ged. amazon.co.uk amazon.com amazon.de
80-7192-474-1ninth digit was chan­ged. amazon.co.uk amazon.com amazon.de
80-7192-479-2tenth digit was chan­ged. amazon.co.uk amazon.com amazon.de
80-7192-779-1seven­th digit was chan­ged. amazon.co.uk amazon.com amazon.de
80-7992-479-1fourth digit was chan­ged. amazon.co.uk amazon.com amazon.de
80-919247-7-13rd and 9th digits were swap­ped. amazon.co.uk amazon.com amazon.de
 
ISBN prefix group: Brazil
ISBNas­su­med er­rorCatalogs for checking
85-7192-479-1second digit was chan­ged. amazon.co.uk amazon.com amazon.de

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