Date: 6 Mar 2008 08:23:22 -0000 From: chandra shekar <chandra_gadhari2006@rediffmail.com> Dear all The following link may be useful to some of our professionals regarding Converting and calculating the ISBN 10 to 13. Needed in order to expand the numbering capacity of the ISBN system and alleviate numbering shortages in certain areas of the world. Also, by changing the ISBN to 13 digits, the book industry has fully aligned the numbering system for books with the global GTIN identification system that is widely used to identify most other consumer goods worldwide. http://www.bisg.org/isbn-13/index.html Regards G.Chandra shekar APL Research centre Hyderabad