Schiffman, Stephan. The career salesperson : recharge your drive and ambition, no matter what your age / Stephan Schiffman. - Avon, Mass. : Newton Abbot : Adams Media ; David & Charles [distributor] , 2009. - ix, 166 p. ; 22 cm. ISBN: 9781598698190 (pbk.) 1598698192 (pbk.) Subjects--Topical Terms: Selling. Dewey Class. No.: 658.85