ISBN 9773191905 hat failed the check­sum digit test.

The following 13 formally correct ISBNs were determined. Starting from these ISBNs the value 9773191905 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, and whether any book is listed for the respective URL. To the home page
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Tiu ĉi paĝo en Esperanto (Unikodo)
Tiu cxi pagxo en Esperanto (x-igata)
ISBN prefix group: China, People's Republic
ISBNas­su­med er­rorCatalogs for checking
7-7731-9190-5first digit was chan­ged.
ISBN prefix group: Malaysia
ISBNas­su­med er­rorCatalogs for checking
967-319-190-5second digit was chan­ged.
ISBN prefix group: Mexico
ISBNas­su­med er­rorCatalogs for checking
970-31-9197-53rd and 9th digits were swap­ped.
ISBN prefix group: Egypt
ISBNas­su­med er­rorCatalogs for checking
977-315-190-5sixth digit was chan­ged.
977-319-109-58th and 9th digits were swap­ped.
977-319-160-5eighth digit was chan­ged.
977-319-190-7tenth digit was chan­ged.
977-319-191-5ninth digit was chan­ged.
977-319-790-5seven­th digit was chan­ged.
977-359-190-5fifth digit was chan­ged.
977-399-110-55th and 8th digits were swap­ped.
977-819-190-5fourth digit was chan­ged.
977-91-9130-54th and 8th digits were swap­ped.

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