What You Need to Know About Leadership Business Needs Leaders. Every day, good and bad leaders make and break organizations. If you want to get anywhere in your career, showing leadership is crucial. So what do you really need to know about leadership? Find out: What it's all aboutWhy vision mattersHow you can build a great teamWhy leaders need to motivate and inspire the people around themHow to lead when the going gets tough What You Need to Know about Leadership is the book you need to get to the corner office. Read More in the What You Need to Know Series and Get up to Speed on the Essentials... Fast.