ISBN 0642265238 hat failed the check­sum digit test.
The following 14 formally correct ISBNs were determined. Starting from these ISBNs the value 0642265238 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
0-632-26524-83rd and 9th digits were swap­ped. amazon.co.uk amazon.com amazon.de
0-642-16523-8fifth digit was chan­ged. amazon.co.uk amazon.com amazon.de
0-642-26503-8eighth digit was chan­ged. amazon.co.uk amazon.com amazon.de
0-642-26520-8ninth digit was chan­ged. amazon.co.uk amazon.com amazon.de
0-642-26523-2tenth digit was chan­ged. amazon.co.uk amazon.com amazon.de
0-642-26528-39th and 10th digits were swap­ped. amazon.co.uk amazon.com amazon.de
0-642-26923-8seven­th digit was chan­ged. amazon.co.uk amazon.com amazon.de
0-642-27523-8sixth digit was chan­ged. amazon.co.uk amazon.com amazon.de
0-643-26522-84th and 9th digits were swap­ped. amazon.co.uk amazon.com amazon.de
0-649-26523-8fourth digit was chan­ged. amazon.co.uk amazon.com amazon.de
0-662-26523-8third digit was chan­ged. amazon.co.uk amazon.com amazon.de
0-8422-6523-62nd and 10th digits were swap­ped. amazon.co.uk amazon.com amazon.de
0-942265-23-8second digit was chan­ged. amazon.co.uk amazon.com amazon.de
 
ISBN prefix group: [no known group prefix]
ISBNas­su­med er­rorCatalogs for checking
6642265238first digit was chan­ged. amazon.co.uk amazon.com amazon.de

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