The letters NUK in black and white surrounding by a broken black box
March 22nd, 2021

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

Numbers on a background of blue squares
February 16th, 2021

The International Standard Book Number is one of the best-known identification systems in the world.

The letters ISBN in blue, with a separate blue outline
September 18th, 2020

The 2020 Annual General Meeting has recently concluded.

The logo of the National Library of Norway in red
June 18th, 2020

We have been liaising very closely with our hosts at the National Library of Norway about the 2020 ISBN Annual General Meeting.