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: 1576751759 LCCN: 2002018375 Subjects--Topical Terms: Sales personnel.Selling. LC Class. No.: HF 5438.25 / T712 2002 Dewey Class. No.: 658.85