The Essential Drucker: The Best of Sixty Years of Peter Drucker's Essential Writings on Management (Collins Business Essentials)

The Essential Drucker: The Best of Sixty Years of Peter Drucker's Essential Writings on Management (Collins Business Essentials)

The Effective Executive: The Definitive Guide to Getting the Right Things Done (Harperbusiness Essentials)

Managing Oneself (Harvard Business Review Classics)