Master the power of influence and persuasion to achieve more in work and lifeFor business leaders and managers, as well as those who work in sales, the power of influence can be a potent advantage. The ability to persuade others based onwhat you know about them is the first step to convincing someone to buy your product or buy into your business vision. In The Ultimate Book of Influence, author Chris Helder—a master of communication and one of Australia’s most soughta...