ISBN 8370796720 hat failed the check­sum digit test.
The following 14 formally correct ISBNs were determined. Starting from these ISBNs the value 8370796720 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
0-378-79672-01st and 4th digits were swap­ped. amazon.co.uk amazon.com amazon.de
 
ISBN prefix group: China, People's Republic
ISBNas­su­med er­rorCatalogs for checking
7-380-79672-01st and 3rd digits were swap­ped. amazon.co.uk amazon.com amazon.de
 
ISBN prefix group: former Czechoslovakia
ISBNas­su­med er­rorCatalogs for checking
80-7079-672-32nd and 10th digits were swap­ped. amazon.co.uk amazon.com amazon.de
 
ISBN prefix group: Poland
ISBNas­su­med er­rorCatalogs for checking
83-407-9672-0third digit was chan­ged. amazon.co.uk amazon.com amazon.de
83-7009-672-75th and 10th digits were swap­ped. amazon.co.uk amazon.com amazon.de
83-7039-672-0fifth digit was chan­ged. amazon.co.uk amazon.com amazon.de
83-7069-772-05th and 7th digits were swap­ped. amazon.co.uk amazon.com amazon.de
83-7072-672-0sixth digit was chan­ged. amazon.co.uk amazon.com amazon.de
83-7079-072-0seven­th digit was chan­ged. amazon.co.uk amazon.com amazon.de
83-7079-670-29th and 10th digits were swap­ped. amazon.co.uk amazon.com amazon.de
83-7079-671-0ninth digit was chan­ged. amazon.co.uk amazon.com amazon.de
83-7079-672-9tenth digit was chan­ged. amazon.co.uk amazon.com amazon.de
83-7679-672-0fourth digit was chan­ged. amazon.co.uk amazon.com amazon.de
 
ISBN prefix group: Spain
ISBNas­su­med er­rorCatalogs for checking
84-7079-672-0second digit was chan­ged. amazon.co.uk amazon.com amazon.de

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