Booher, Dianna. Winning sales letters ; time-saving and ready-to-use sales and marketing letters to help you get customers and keep them. - New Delhi : Prentice-Hall of India Private Limited, 2007. - xvi, 333 p. : ill. ; 23 cm. ISBN: 9788120332102 Subjects--Topical Terms: winning sales letters Dewey Class. No.: 658.133 BOO