(This is modified text from The Global Indie Author.) The ISBN System ISBN stands for International Standard Book Number. The rules and regulations governing the use and distribution of ISBNs are determined by the International ISBN Agency, based in London. The international agency allots ISBNs to national agencies, who in turn allot them to their publishers; thus, a publisher cannot acquire an ISBN from a foreign national agency: a British publisher, for example, cannot buy an ISBN from the American ISBN agency and vice versa. Publishers then assign their ISBNs Read More …