Kennedy, Dan S The ultimate sales letter : attract new customers, boost your sales Dan S. Kennedy - 3rd ed - Avon, MA Adams Media Corporation c2006 - ix, 229 p. : ill. ; 23 cm Includes index ISBN: 9781593374990 ISSN: 2005026073 Subjects--Topical Terms: Sales lettersSelling Dewey Class. No.: 658.81 KEN