This book should be an essential guide for managers, consultants, and business students. - Publishers Weekly . For nearly half a century, Peter Drucker has inspired and educated managers - and influenced the nature of business - with his landmark articles in the Harvard Business Review . Here, gathered together and framed by a thoughtful introduction from former Review editor Nan Stone, is a priceless collection of his most significant work. Infused with a perspective that holds new relevance today, these essays represent Drucker at his best: direct, wise, and challenging.