Reality in Advertising, by Rosser Reeves Marketing Warfare, by Ries and Trout Scientific Advertising, by Claude Hopkins Ogilvy on Advertising, by David Ogilvy Positioning / The New Positioning, by Ries and Trout The 22 Immutable Laws of Marketing, by Ries and Trout The 22 Immutable Laws of Branding, by Al and Laura Reis Differentiate or Die, by Jack Trout Selling the Invisible, by Harry Beckwith Influence: The Psychology of Persuasion, by Robert B. Cialdini, PH.D. Envisioning Information, by Edward R. Tufte