Tracy, Brian. Be a sales superstar : 21 great ways to sell more, faster, easier, in tough markets / Brian Tracy. - San Francisco, CA : Berrett-Koehler, 2002. - xii, 154 p. ; 23 cm. Includes bibliographical references and index. ISBN: 9788178091327 Subjects--Topical Terms: Selling.Sales personnel. Dewey Class. No.: 658.85 / TRA