ISBN 9789943967 hat failed the check­sum digit test.
The following 13 formally correct ISBNs were determined. Starting from these ISBNs the value 9789943967 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: German language
ISBNas­su­med er­rorCatalogs for checking
3-7899-4396-7first digit was chan­ged. amazon.co.uk amazon.com amazon.de
 
ISBN prefix group: Netherlands
ISBNas­su­med er­rorCatalogs for checking
94-8994-396-7second digit was chan­ged. amazon.co.uk amazon.com amazon.de
 
ISBN prefix group: Caribbean Community
ISBNas­su­med er­rorCatalogs for checking
976-99439-6-7third digit was chan­ged. amazon.co.uk amazon.com amazon.de
 
ISBN prefix group: Nigeria
ISBNas­su­med er­rorCatalogs for checking
978-2943-96-7fourth digit was chan­ged. amazon.co.uk amazon.com amazon.de
978-949-396-75th and 6th digits were swap­ped. amazon.co.uk amazon.com amazon.de
978-993-396-7sixth digit was chan­ged. amazon.co.uk amazon.com amazon.de
978-994-306-7eighth digit was chan­ged. amazon.co.uk amazon.com amazon.de
978-994-396-2tenth digit was chan­ged. amazon.co.uk amazon.com amazon.de
978-994-399-7ninth digit was chan­ged. amazon.co.uk amazon.com amazon.de
978-994-693-77th and 9th digits were swap­ped. amazon.co.uk amazon.com amazon.de
978-994-936-77th and 8th digits were swap­ped. amazon.co.uk amazon.com amazon.de
978-996-394-76th and 9th digits were swap­ped. amazon.co.uk amazon.com amazon.de
 
ISBN prefix group: North Macedonia
ISBNas­su­med er­rorCatalogs for checking
9989-743-96-72nd and 5th digits were swap­ped. amazon.co.uk amazon.com amazon.de

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