Book Yourself Solid: The Fastest, Easiest, and Most Reliable System for Getting More Clients Than You Can Handle Even if You Hate Marketing and Selling (Hardcover)
by Michael Port

Michael Port makes business personal – he goes straight to the heart of marketing and networking, and encourages collaboration and relationships to get more clients.

The Contrarian Effect: Why It Pays (Big) to Take Typical Sales Advice and Do the Opposite (Hardcover)
by Michael Port , Elizabeth Marshall

Competitive Advantage, Creating and Sustaining Superior Performance (Hardcover)
by Michael E. Porter

An awesome classic, a business must-read from one of the world's leading authorities on competitive strategy and international competitiveness.

Competitive Strategy, Techniques for Analyzing Industries and Competitors, with a New Introduction (Hardcover)
by Michael E. Porter

Written more than 20 years ago, Porter's masterpiece is the most important work on competitive strategy to date.