Nielsen Book E-Book listings policy statement

"The International ISBN Agency recently issued a policy statement on the use of ISBNs for E-Books restating the requirement in the ISBN standard that each different format of an electronic publication requires a separate ISBN, and newly legitimising the application in some circumstances of ISBNs to E-Book products by resellers and distributors to ensure the continuity of trade systems across the supply chain. In response, Nielsen Book, operators of the UK ISBN Agency and providers of the leading product information, transaction and sales measurement services for the English language book industry worldwide, are announcing our listings policy for E-Books..."