ISBN 8025101575 hat failed the check­sum digit test.

The following 16 formally correct ISBNs were determined. Starting from these ISBNs the value 8025101575 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: former U.S.S.R
ISBNas­su­med er­rorCatalogs for checking
5-02-510187-51st and 8th digits were swap­ped.
ISBN prefix group: China, People's Republic
ISBNas­su­med er­rorCatalogs for checking
7-02-510157-5first digit was chan­ged.
ISBN prefix group: former Czechoslovakia
ISBNas­su­med er­rorCatalogs for checking
80-201-5157-54th and 6th digits were swap­ped.
80-221-0157-5fourth digit was chan­ged.
80-251-0152-5ninth digit was chan­ged.
80-251-0157-6tenth digit was chan­ged.
80-251-0197-5eighth digit was chan­ged.
80-251-0457-5seven­th digit was chan­ged.
80-251-0557-17th and 10th digits were swap­ped.
80-251-0751-57th and 9th digits were swap­ped.
80-251-1057-56th and 7th digits were swap­ped.
80-251-9157-5sixth digit was chan­ged.
80-253-0157-5fifth digit was chan­ged.
80-255-0117-55th and 8th digits were swap­ped.
80-951015-7-5third digit was chan­ged.
ISBN prefix group: Brazil
ISBNas­su­med er­rorCatalogs for checking
85-251-0157-5second digit was chan­ged.

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