Send a comment on this item to LII: Send a comment on this item to LII staff, who on weekdays will usually reply within 24 hours. ISBN.org Everything you ever wanted to know about International Standard Book Numbers (ISBN) and Standard Address Numbers (SAN). This site from R.R. Bowker gives the history, links to the agencies involved, and an annotated guide to related resources. It includes the ISBN Users' Manual , which has complete explanations of the system and a handy FAQ. http://www.isbn.org/standards/home/index.asp Asterisk * indicates required field. Your Name Your Email Address * We will not sell or provide your email address to anyone else. Comment * Enter the verification code as it is shown in the box below. This helps prevent automated submissions. *