Nielsen BookData provides a range of services to the book industry internationally, aiding the discovery and purchase, distribution and sales measurement of books. They are proud to run the ISBN and SAN Agencies for UK & Ireland as well as providing search and discovery services for booksellers and libraries. Their electronic trading solutions, including Nielsen Pubeasy, help everyone involved in the book supply chain trade more easily and their Research services provide retail sales analysis for both print and e-books alongside research from their Books and Consumers Survey. For publishers, they offer a range of services from assigning an ISBN to your book to adding your metadata to their database and promotional tools to help market your book.