Dan Duffy

Consultative Selling Seminar Leader Guide  Dan Duffy Paperback. Independently Published, 2019-06-01 ISBN 9781076952257     LeaderSELF: A Leadership Development Program  Dan Duffy Paperback. Createspace Independent Publishing Platform, 2018-03-01 ISBN 9781986235297     Brother, Brother: A Memoir: A brother's search for his lost brother  Dan Duffy Paperback. May Day Publishers, 2016-05-01 ISBN 9780692707357     The Half Book: He's Taking His Ball and Going Home  Dan Duffy Paperback. Lucky Bat Books, 2015-12-01 ISBN 9781943588169     Inside The Gretsch Guitar Factory 1957/1970  Dan Duffy Spiral-bound. Trafford Publishing, 2005-12-28 ISBN 9781412068239