The International ISBN Agency warmly congratulates CERLALC (El Centro Regional para el Fomento del Libro en América Latina y el Caribe) on the 50th anniversary of its original foundation.

The International ISBN Agency recently concluded its 2021 Annual General Meeting (AGM).

The International ISBN Agency is very sad to inform the community that David Whitaker, one of the foremost early champions of book numbering, has died.

The International ISBN Agency is pleased to announce that the ISBN Users’ Manual is now available in