Masterfully crafted from the thousands of hours Hal Barr has spent teaching his ground-breaking "80/20" principles to Fortune 100 companies, 'The First Billion'$ The Toughest: The Art, Science and Methods of a Sales Professional' helps transform any salesperson into a profitable powerhouse that others will look up to. From mastering the elusive art of communication to streamlining every facet of their business, readers will turn the past page poised to increase their sales and client retention beyond anything they thought possible.