Dr Tony Humphreys is a consultant clinical psychologist, author and public speaker. He is the author of thirteen bestselling books including "The Power of Negative Thinking", "Myself, My Partner", "Leaving the Nest", "A Different Kind of Teacher", "A Different Kind of Discipline", "Work and Worth: Take Back Your Life", "Examining Your Times" and "Whose Life Are You Living?". His books are available in 24 foreign-language editions.