ISBN 807060942X hat failed the check­sum digit test.
The following 13 formally correct ISBNs were determined. Starting from these ISBNs the value 807060942X 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
0-07-060942-Xfirst digit was chan­ged. amazon.co.uk amazon.com amazon.de
 
ISBN prefix group: former Czechoslovakia
ISBNas­su­med er­rorCatalogs for checking
80-7000-942-Xfifth digit was chan­ged. amazon.co.uk amazon.com amazon.de
80-7060-042-Xseven­th digit was chan­ged. amazon.co.uk amazon.com amazon.de
80-7060-249-X7th and 9th digits were swap­ped. amazon.co.uk amazon.com amazon.de
80-7060-932-Xeighth digit was chan­ged. amazon.co.uk amazon.com amazon.de
80-7060-942-7tenth digit was chan­ged. amazon.co.uk amazon.com amazon.de
80-7060-946-Xninth digit was chan­ged. amazon.co.uk amazon.com amazon.de
80-7064-902-X6th and 8th digits were swap­ped. amazon.co.uk amazon.com amazon.de
80-7066-942-Xsixth digit was chan­ged. amazon.co.uk amazon.com amazon.de
80-7960-942-Xfourth digit was chan­ged. amazon.co.uk amazon.com amazon.de
80-8060-942-Xthird digit was chan­ged. amazon.co.uk amazon.com amazon.de
80-906074-2-X3rd and 7th digits were swap­ped. amazon.co.uk amazon.com amazon.de
 
ISBN prefix group: Denmark
ISBNas­su­med er­rorCatalogs for checking
87-7060-942-Xsecond digit was chan­ged. amazon.co.uk amazon.com amazon.de

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