The International Standard Book Number (ISBN) is a unique identifier for books. An ISBN is not mandatory, and does not provide copyright on a work. It is used internationally across the book trade and library sector.

Apply for an ISBN

ISBN Agency

Thorpe-Bowker

PO Box 42

Prahran, VIC 3181



Tel: +61 3 6185 0043

Email: myidentifiers@thorpe.com.au

Internet: https://www.myidentifiers.com.au/

Further information is available at Thorpe-Bowker's My Identifiers homepage.