ISBN 1864840276 hat failed the check­sum digit test.
The following 12 formally correct ISBNs were determined. Starting from these ISBNs the value 1864840276 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
0-86484-027-6first digit was chan­ged. amazon.co.uk amazon.com amazon.de
1-264-84027-6second digit was chan­ged. amazon.co.uk amazon.com amazon.de
1-82484-027-6third digit was chan­ged. amazon.co.uk amazon.com amazon.de
1-86184-027-6fourth digit was chan­ged. amazon.co.uk amazon.com amazon.de
1-86464-027-85th and 10th digits were swap­ped. amazon.co.uk amazon.com amazon.de
1-86482-027-6sixth digit was chan­ged. amazon.co.uk amazon.com amazon.de
1-86484-022-6ninth digit was chan­ged. amazon.co.uk amazon.com amazon.de
1-86484-027-7tenth digit was chan­ged. amazon.co.uk amazon.com amazon.de
1-86484-067-6eighth digit was chan­ged. amazon.co.uk amazon.com amazon.de
1-86484-327-6seven­th digit was chan­ged. amazon.co.uk amazon.com amazon.de
1-86684-027-44th and 10th digits were swap­ped. amazon.co.uk amazon.com amazon.de
 
ISBN prefix group: [no known group prefix]
ISBNas­su­med er­rorCatalogs for checking
68648402711st and 10th digits were swap­ped. amazon.co.uk amazon.com amazon.de

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