SAS Institute provides a complete selection of hard-copy books and electronic products that help customers use SAS software to its fullest potential. Covering a wide spectrum of topics, all books and products are developed and reviewed by technical experts. SAS Institute meets the information needs of new and experienced users with a variety of delivery methods including PDF, HTML, and hard-copy books. Partnerships with outside authors, other publishers, and distributors ensure that a variety of products are available from a variety of sources to meet the needs of users worldwide.