The International ISBN Agency

Easily recognisable as the identifier for all kinds of books, the International Standard Book Number is key to an efficient and effective book supply chain.

The International ISBN Agency is the registration authority for the Standard on a global basis. 

Focus on

  • We’ve been working to make  the International ISBN Agency management services and web portal more informative and intuitive. Have a look around – we hope you like it.
    Our site has been developed by CINECA and we are very grateful for their hard work and suggestions for...

  • Lots of different flags on individual flagpoles fluttering in the wind

    We are delighted that the ISBN Users’ Manual is now available in 11 languages. 

    These are: Arabic, Chinese (Mandarin), Dutch, English, Estonian, French, German, ...