While there have been several books about Peter Drucker and his life, this text presents a comprehensive synthesis and in-depth analysis of his works and insights on management. Drawing from over 40 years as a student, follower, and friend, John E. Flaherty has created a definitive account of Drucker's managerial achievements. An expert on management himself, Flaherty provides readers with a practical overview of Drucker's most important contributions to management and business strategy. He not only captures Drucker's fundamental management concepts and ideas but also shows how these principles have relevance for practitioners. For those new to Peter Drucker, this essential compendium is a crash course on his most profound discoveries on management, change, entrepreneurial endeavour, and executive effectiveness. For those who have read Drucker's extensive writings, this significant volume offers deeper insight into his more novel and far-reaching concepts. Filled with useful summaries and checklists of key lessons, it contains wisdom and experience for managers and students everywhere.