Book excerpt: "25 Sales Mistakes is essential for any professional or organization committed to sales excellence." --Michael A. Berman, Chief Operating Officer, Outside Ventures In the newest edition of this valuable manual, Stephan Schiffman offers updated advice to salespeople about getting prospects and making the sale. It's not just what you do--it's what you don't do: Don't sell against a competitor Don't be satisfied Don't stop getting ideas Don't use boilerplate proposals Don't overuse e-mail The book also includes a new introduction and updated text. Schiffman offers salespeople the kind of advice--from listening to the client to following up on the sale--that has made him the best corporate sales trainer today. With Schiffman's book in their pocket, salepeople can avoid common blunders and make the sale.