ISBN (International Standard Book Number)

The ISBN system is administered in the UK and Ireland by the UK ISBN Agency, Midas House, 62 Goldsworth Road, Woking, GU21 6LQ, telephone 0870 777 8712, www.isbn.nielsenbookdata.co.uk.

More information about the ISBN standard can be found at www.isbn-international.org.

As from 1 January 2007, the ISBN changed from a 10-digit to a 13-digit identifier. A useful converter can be found here.  

ISBN User Manual (5th edition, January 2005)

Assignment of ISBN prefixes to e-book resellers (press release, April 2008)

BIC Code of Practice for the Identification of e-books and Digital Content

December 2009: The principles and best practice for applying digital identifiers in the supply chain.

Click here to view.

The Identification of Digital Book Content

January 2008: Michael Holdsworth's discussion paper on digital identification, published jointly by BIC and the Book Industry Study Group

Click here to view