Book excerpt: Power skills are something every manager must have. Power means more than formal authority - it is the art of building alliances, networks, influence and control. Power will enable you to achieve all your goals: it will guarantee your success. Power: The Art of Making Things Happen is the first book to show you how. Free from theory, Power focuses on the practical skills any manager can learn and use to their advantage. Divided into six accessible areas, you'll find everything you need to take command of the most important skill around.