Positioning: The Battle for Your Mind

April Dunford A quickstart guide to positioning

Geoffrey A. Moore Crossing the Chasm, 3rd Edition: Marketing and Selling Disruptive Products to Mainstream Customers (Collins Business Essentials)

David Ogilvy Ogilvy on Advertising

Al Ries, Laura Ries The 22 Immutable Laws of Branding: How to Build a Product or Service into a World-Class Brand