Competitive Strategy: Techniques for Analyzing Industries and Competitors

Competitive Advantage: Creating and Sustaining Superior Performance

Porter's Five Forces: Understand competitive forces and stay ahead of the competition (Management & Marketing Book 1)

Michael Porter's Value Chain: Unlock your company's competitive advantage (Management & Marketing Book 12)

Understanding Michael Porter: The Essential Guide to Competition and Strategy

HBR's 10 Must Reads on Strategy (including featured article "What Is Strategy?" by Michael E. Porter)

Blue Ocean Strategy, Expanded Edition: How to Create Uncontested Market Space and Make the Competition Irrelevant

On Competition (Harvard Business Review Book)

Playing to Win: How Strategy Really Works