Serafino Len Sales talk : how to power up sales through verbal mastery / Len Serafino. - Avon, Mass. : Adams Media Corp., 2003. - xviii, 190 p. ; 22 cm. ISBN: 1580628516 Subjects--Topical Terms: Sales presentationsSelling LC Class. No.: HF5438.8.P74 Dewey Class. No.: 658.85