Priestley, Daniel Become A Key Person Of Influence : The Five- Step Sequence to Becoming One of the Most Highly Valued and Highly Paid People in Your Industry. / Daniel Priestley - updated edition - Hertfordshire : Ecademy Press, 2010 - 184p. : ill. ; 20cm ISBN: 9781905823840 LC Class. No.: BF637.P4 Dewey Class. No.: 153.852 / PRI