Use Your Head To Get Your Foot In The DoorBy: Harvey Mackay Bestselling business author Harvey Mackay returns with an uplifting, amusing and jam packed with proven tips book to guide you through the toughest job market in decades. The average person will have at least three career changes and ten different jobs by the age of 38. In this era of downsizing and outsourcing, you can never be sure your job will still exist in five years or five weeks. So you'd better think of your career as a